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