Question # 1

Output resistance of an op amp is

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High

Low

Zero

Equal to input resistance

The sensor of light is.

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Transistor

LED

Diode

Light dependent resistance

NAND gate represented by:

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X = A. B

X = A+B

X= A.B

X=|A+B|

A two inputs NAND gat with inputs a and b has an output '0' if.

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B is zero

A is zero

Both A and B are 1

Both A and B are '0'

The mathematical symbol for NOR operation is

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X = A . B

X = A + D

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

X=A+B is the mathematical notation for.

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OR gate

NOR gate

NAND gate

AND gate

The P.D develop in case of germanium is:

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0.3

0.7

0.5

0.9

Which component of the transistor has greater contrition of impurity.

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Base

Emitter

Collector

Emitter and collector

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

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