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Which of the following is required in determining the charging period of a unijunction transistor?
Common rating of Silicon Unilateral Switch and Silicon Bilateral Switch
PPE stands for
UJT in terms of junction's location is not symmetrical.
Electronics Commerce Act and IP Code of the PH.
What is that?
Operation of CATV systems in the Philippines.
Plastics Engineering is sub-discipline of what Engineering?
For Qualification for Board Member.Active practice of ECE occupation for at least _ years prior to his appointment.
Design and build all types of vehicles: Automobiles, Trucks, Tractors, Bulldozers & Motorcycles
How old am I? (type number only)
RA 9292 was finally passed under House Bill No.________.
Addition of pentavalent impurity to a semiconductor creates _____.
__________ ___________ is the discipline of engineering that is associated with the design, development, manufacture and testing in the fields of biology and health care.
What is the oldest discipline of Engineering?
Which of the following are the qualifications for an applicant to take the examination for Electronics Technician?
Which of the following statements is/are false?
The main function of this additional electrode is to prevent electrons from bouncing back to the plate and to lessen the occurrence of secondary emission.
What type of impurities produce n-type semiconductor?
The image shows an example of a...
Positive Temperature Coefficient means
Equivalent Circuit of a Unijunction Transistor
A semiconductor doped with a pentavalent impurity element which has five electrons in its valence shell.
These two purposes rely on the creation and detection of electromagnetic ..... and electrical currents.
A Transtibial prosthetic attaches
When a PN junction is connected to any external bias, it is considered in thermal equilibrium condition.
The application of external voltage across the two terminals.
What is formed when a dielectric is placed between two parallel conductors?
Which of the following offers good temperature stability?
A zener diode has ______ pn junction/s.
These are materials that have a conductivity between a good conductor and an insulator.
Which law refers to the “Electronic Commerce Act of 2000”?
The design, improvement, and installation of integrated systems of people, materials, and energy to produce a product at the lower possible cost
Respiratory system protection should be worn where there is risk from:
NTC shall composed of _______.
In a PUT, the cathode can be biased to a desired voltage with an external voltage divider, so that when the anode voltage exceeds this “programmed” level, the PUT turns on.
Examples of Semiconductor.
These are materials that have excellent current carrying capacity.
In a forward bias condition, further increase in the external applied voltage will increase the size of the depletion region.
Which of the following statement/s is/are false?
Creation of PRC.
Electronics Engineering Law.RA number only.
Determine the supply voltage for a silicon PUT if it is determined that η = 0.5, Peak Voltage= 12.3 V. (use the correct unit)
Construction Engineering is sub-discipline of what Engineering?
Manual handling is...
Once Programmable Unijunction Transistor is in the on state, the removal of gate voltage will turn the device off.
Why Si diodes are more preferred in the manufacture of semiconductor devices?
Second, processing circuits inside the TV ..... the brightness, colour and audio data from this signal.
The forward voltage drop across a germanium diode is _____.
A discipline of Engineering that is dedicated to the improvement of transportation vehicles and logistics.
RA 9292 is known as
What type of electron emission is employed on vacuum tubes?
A UJT is operated with gate junction forward- biased while the JFET is normally operated with the emitter junction reverse-biased.
Which of the following are included in the Professional Identification Card?
What happens when a p-n junction is forward biased?
A silicon diode displays a forward voltage of .25V at 10mA current at 300 Kelvin. Find the reverse saturation current. (in micro Ampere) *no need to include the unit. 3 decimal places only.
Ear protection should be worn where there is risk from:
The structure of UJT is very much similar to an N-channel JFET.
Electronics is the study and utilization of systems that function by guiding electron flow in ..... such as semiconductors.
What do you call for the gaps left behind by electrons as they are liberated from their respected orbits?
What is otherwise known as “PRC modernization law”?
Apps are created by...
What engineering has access to a wide range of sensors which can be used by other Engineers to measure any variable(s) to be controlled (e.g. pressure, voltage, acceleration and force).
What is the broadest discipline of Engineering?
Household appliances that use DC include:
The process of sending and/or receiving information, data, signals and/or messages between two (2) or more points by radio, cable, optical wave guides or other devices and wired or wireless medium.
What is formed when an n-type and a p-type semiconductor are fused together?
Which is the determining factor for triggering of SUS and SBS?
Mobile phone chargers are used to charge phone batteries by plugging it to AC power outlets. What type of semiconductor application is employed in the process?
Which of the following is not true about semiconductors?
What is the lightest subatomic particle?
Frequency of oscillation of the device is equal to the reciprocal of the total period in _____________.
This blends engineering knowledge with soil systems, land management, and environmental control.
In a silicon bilateral switch, gate terminal can be used to turn off the device.
Who is the the current Chairman of the Board/BECE?
Foreign pre-qualifications for board exam.
Which of the following is not a three terminal device?
What section of RA 9292 describes the Separability Clause?
The Consumer Act.RA number only.
Which of the following statement/s is/are true?
A sub discipline of Chemical Engineering and it is all about the production of fuel for vehicles and machinery.
In a reverse bias condition, the depletion region offers more resistance to these majority carriers.
Children Televisions Law.RA number only.
Creation of the National Telecommunication Commission and Ministry of Transportation and Communication.
Computer Engineering is the design and organization of computers ______________ and _________________.
Potential barrier of a Silicon.
There are three divisions to an electronics system, an example of which is a television ......
A _____________ prosthetic is one that attaches below the elbow.
These are semiconductors in which intentionally impurities are added to make the element conductive.
Electronic circuits are mainly used to control, process and distribute information, and for the ..... and distribution ofelectric power.
An Engineering which is a key part of the oil extraction process and focused on safe drilling procedures and the logistics.
These are materials that have no current carrying capacity.
It is the maximum amount of voltage the diode can withstand in reverse bias mode on a continual basis.
Operation of Cable Television.
The main advantage of UJT is that it offers negative resistance characteristics.
UJT has a unique characteristics that when it is triggered, the emitter current increases regeneratively until it is limited by emitter power supply.
The following are the 3 general divisions of biomedical engineering except.
Diode that is always connected in reverse bias condition.
In PUT, the term programmable is applied because RBB, η, and VP as defined for the UJT can be controlled through the internal resistors RB1, RB2, and the supply voltage VBB.
Aerospace Engineering is sub-discipline of what Engineering?
Determine RB1 (in ohms) for a silicon PUT if it is determined that η = 0.5, Peak Voltage= 12.3 V and RB2= 1k ohms. (type in the value of the correct answer ONLY)
This image shows a...
Interbase resistance of a UJT is the resistance between emitter and pn junction when the emitter current is zero.
Apply scientifically the principles of chemistry, physics, and engineering to design an operation of plants for the production of materials that undergo chemical changes during their processing
Which of the following is not a feature of computer programming?
The datasheet of a certain UJT with a silicon diode gives an intrinsic standoff ratio of 0.5, determine the peak point emitter voltage if the supply is 15V.
According to this law, the sum of voltages on a closed loop is equal to zero.
The __________ shall adopt a Code of Ethics and the Code of Technical Standards of Practice for Electronics Engineers and Electronics Technicians.
If a diode is forward biased,
Fill in the blank__________ ___________ is a discipline that studies the design, and application of equipment, devices, and systems that use electricity, electronics, and electromagnetism.
For an ideal UJT, the emitter firing potential is equivalent to the intrinsic stand-off ratio multiplied by the supply voltage.
The Board may, _________ years after the revocation of a Certificate of Registration and Professional identification Card, upon application and for reasons deemed proper and sufficient, reinstate the validity of a revoked Certificate of Registration and Professional Identification Card.
What is Article V of RA 9292?
The (to process) handles all the functions for the keyboard, the display and the loudspeakers, and it controls the signal to the base station.
In electrical engineering, AC stands for...
Which of the following does not belong to the group.
First, the input is a broadcast signal either received by its antenna or ..... in through a cable.
Scratch is an example of basic...
Radio Control Law in the Philippines.
Playing of atleast 4 Filipino Music every clock hour of a program.
Works with architects focusing on structural integrity and safety of design
Why do we add impurities on semiconductor materials?
Electronics and Communications Engineering Law in the Philippines.RA number only.
For a UJT, RB1 may vary from 5kΩ down to 50Ω for a corresponding change of IE from 50 mA to 0 mA.
In a forward bias condition, when the applied voltage is more than the potential barrier of this PN junction the resistance that is offered by the depletion region negligible.
Rules of Conduct, Just Obligatory, laid down by legitimate powers.
The silicon chip can contain up to several thousand transistors packed and (to connect) inlayers beneath the surface.
The silicon bilateral switch has the ability to provide positive and negative cycles.
Micro-electronics Engineering is sub-discipline of what Engineering?
One application of UJT is it can amplify signal similar to conventional BJTs and FETs.
What is the ambient room temperature for electronic devices?
A low power, low current device.
Research into innovative semiconductor technology and applications is considered a ..... of physics.
For Qualification for Board Member.He/She must be resident of the Philippines _ consecutive years prior to appointment.
What is that?
If the arrow of crystal diode symbol is positive with respect to the bar, the the diode is in what condition?
According to Shockley's equation, how can we determine the thermal voltage?
Which of the following is not an area within Civil Engineering?
Except as otherwise specifically provided in RA9292, all applicants seeking to be registered and licensed as Electronics Engineers and Electronics Technicians, shall undergo the required examinations to be given by the Board in such places and dates as the Commission may designate in accordance with the provisions of Republic Act No. 8981.
It is the application of the study of earthquakes and the vibrations generated at the surface in order to protect the built environment and people from being harmed
What is the largest discipline of Engineering?
Third and last, its output apparatus, a cathode ray tube, changes the electronic signals into a ..... image on its screen.
These symbols represent...
In what section of RA 9292 refers to the Reinstatement, Re-issuance or Replacement of Certificate of Registration and Professional Identification Card?
What is Aerospace Engineering?
Which of the following elements doesn't belong to the group?
Computer Engineering is sub-discipline of what Engineering?
Designing and building electronic circuits to solve ..... problems is the mandate of electronics engineering.
A person who is qualified to hold himself/herself out as a duly-registered/licensed Electronics and Communications Engineer under Republic Act No. 5734.
Majority Carrier in a P-type Semiconductor.
The rapid modern advancement of electronics began in ..... with the introduction of the radio.
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