10th Class Physics MCQS Chapter 7

Analogue quantity is:

All of these

Distance

Time

Pressure

The two inputs of a NAND gate are A and B. Its output would be zero when:

A = 0, B = 0

A = 1 , B = 1

A = 1, B= 0

A = 0 , B = 1

Simplest electrical circuits use:

Four wires

One wire

Two wires

Five wires

One coulomb is equal to charge of electrons:

6.25×10 ¹⁹

6.25×10 ¹⁸

6.25×10¹⁸

6.25×10¹⁹

The output of OR gate would be ‘0’ When:

Any one of its inputs is 1

One of its two inputs is zero

Both of its inputs ar 1

Both of its inputs are zero

Electronics is a branch of:

Nuclear Physics

Mass

Mechanics

Applied Physics

If the distance between two point charges is reduced to half, the coulomb’s force become:

One fourth

Two times

Fourth times

Half

If the potential energy of none coulomb charge is one joule then its potential will be:

5 volt

1 volt

2 volt

3 volt

Public address system is the example of :

Analogue electronics

Binary system

None of these

Digital electonics

If a neutral body is brought near to the electroscope its leaves:

Diverge

Shut

Contract

Remain in normal position