In a semiconductor junction diode, electrons are the minority carriers.

C. in both the N and P regions.

A silicon diode, when compared to a germanium diode has.

A. a higher forward bias voltage.

B. the same forward bias voltage.

A. is similar to a vacuum diode but cannot rectify.

C. can handle only very small currents.

B. stabilizes voltage at a predetermined level.

A. allows current to flow in one direction.

In an integrated circuit, the components are mounted.

by means of wires connecting them.

3 coils on the rotor and 2 coils on the stator

2 coils on the rotor and 3 coils on the stator

2 coils on the rotor and 2 coils on the stator

When a hole diffuses from a p-region to the n-region it.

Becomes a minority carrier in the n-region

A silicon bi-polar transistor with two depletion zones.

operates by varying electric fields.

consists of 3 slices of semiconductor material.

AC power to a synchro system is supplied to.

both the torque receiver and torque transmitter

Why is a diode put in parallel with an LED?

B. So it will work only above a certain voltage.

C. So it will work only below a certain voltage.

For conduction of a transistor, the emitter junction is.

forward or reverse as appropriate to the input signal.

A logic circuit with more than one gate will have.

one of 2 states of logic output.

What gives the colour of an LED?

B. The plastic it is encased in.

C. The type of gas used inside it.

What is a schottky diode used for?

Very high frequency applications

The junction barrier offers opposition to only.

Majority carriers in both regions

Light Emitting Diodes (LEDs).

A. emit light of only one wavelength dependent on type.

B. have very wide viewing angles.

C. are easily damaged if forward biased b more than 5V.

A differential synchro.

can be used as either a transmitter or a receiver

can only be used as a transmitter

The output of a tachogenerator is.

proportional to speed of rotation

A non-inverting op-amp.

has an inverting input and a non-inverting output.

a non-inverting input connection only.

has a non-inverting input and an inverting output.

How are the pins numbered on an op-amp IC?

counter clockwise from the dot.

from left to right from the dot.

If forward bias is increased from zero on a p-n junction, a rapid increase in current flow for a relatively small increase in voltage occurs.

When the flow of minority carriers is sufficient to cause an avalanche breakdown

When the depletion layer becomes larger than the space charge area

Only after the forward bias exceeds the potential barrier

To enable an IMPATT diode to operate correctly, it must be.

Operated in its negative resistance range

Connected to a resonant circuit

For correct operation of a transistor, the following conditions must apply.

The base-emitter junction must be forward biased and the base-collector junction must be greater than 0.7 volts.

For an NPN transistor the base-emitter junction must be forward biased and for a PNP transistor the base emitter junction must be reverse biased.

The base-collector junction must be reverse biased and the base-emitter junction must be forward biased.

When testing the forward bias of a diode with a multimeter.

A. the positive lead of the ohmmeter is placed on the anode.

B. it does not matter which terminal the positive lead of the ohmmeter is placed.

C. the positive lead of the ohmmeter is placed on the cathode.

What are the ideal characteristics of an Op Amp?

Infinite gain, infinite input Impedance and zero output impedance.

Infinite gain, infinite input Impedance and infinite output impedance.

Low gain, infinite input Impedance and zero output impedance.

When a positive voltage is applied to the base of a normally biased n-p-n common emitter amplifier.

the collector voltage goes less positive.

Module 04: Electronic Fundamentals

Authored by VU LINH

Specialty

University

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OPEN ENDED QUESTION

3 mins • 1 pt

If light entering a photo transistor decreases, the current to the collector.

Evaluate responses using AI:

OFF

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a diode, which type of material is used?

N type material

P type material

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Avalanche breakdown occurs when.

Reverse bias exceeds a certain value

Forward bias exceeds a certain value

Forward current becomes excessive

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What gate does the following Boolean expression represent F = A+B+C.

NOR.

OR.

NOT.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A FET when compared to a junction transistor is.

low impedance.

current operated.

high impedance.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Current gain in a common emitter amplifier is given the symbol.

Β.

Hcg.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which mode of operation provides the best high frequency response? Common.

emitter.

base.

collector.

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Module 04: Electronic Fundamentals

If light entering a photo transistor decreases, the current to the collector.

In a diode, which type of material is used?

Avalanche breakdown occurs when.

What gate does the following Boolean expression represent F = A+B+C.

A FET when compared to a junction transistor is.

Current gain in a common emitter amplifier is given the symbol.

Which mode of operation provides the best high frequency response? Common.

Which of the following describes the characteristics of a Thyristor?

Components on an integrated circuit are.

In an operational amplifier, the two input waves are the same amplitude, same frequency, but exactly anti-phase. What would the output be?

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