Question # 1

The semi conductor diode has the property of

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Two way conduction

Zero conduction

One way conduction

Amplification

Transistor was invented by:

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Bardeen

Micheal faraday

Lenz

Newton

Which is not fundamental logic gate.

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NOT

AND

OR

NAND

_______ is the building block of every electronic circuit.

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Semi conductor diode

Resistor

Capacitor

Amplifier

The potential difference across the depletion region of germanium is.

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0.3 V

0.5 V

0.7 V

0.8 V

The output voltage of a rectifier is.

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Smooth

Pulsating

Alternating

Per featly direct

Photo diode detects.

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Visible light

Radio waves

X rays

All of them

For normal transistor the emitter current can be given by

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I_E = I_C

I_E = I_C + I_B

I_E = I_B

None of these

In a transistor, collector current is controlled by:

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Collector voltage

Base current

Collector resistance

All of the above

The average gap for Germanium at 0K is

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1.12 ev

0.02 ev

6.72 ev

7.2 ev

The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of.

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Ohms

Kilo Ohms

Mega Ohms

Thounds Ohms

Light emitting diodes are made from semiconductors.

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Silicon

Germanium

Carbon

Gallium arsenide

Truth table of logic function.

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Summarize its output values only

Tabulates all its input conditions only

Display all its input and output possibility

Is not base on logic algebra

A.C. can be converted into D.C. by

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An oscillator

Detector

An amplifier

Rectifier

The P.D develop in case of germanium is:

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0.3

0.7

0.5

0.9

One use of a single p-n junction semiconductor in an electrical circuit is a

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Rectifier

Transistor

Battery

Diode

When a PN-Junction is reverse biased the depletion region is.

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Widened

Narrowed

Normal

None of these

During negative half cycle of A.c then p-n junction offers.

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High resistance

Low resistance

No resistance

All of these

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Physics ICS Part 2 Chapter 18 Online MCQ's Test MCQs With Answers

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