Question # 1

Electric motor converts electrical energy into:

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Chemical energy

Solar energy

Heat energy

Mechanical energy

The closed switch in Boolean expression is represented by:

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0

1

10

2

The output of a NAND gate is 0 when:

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Both of its inputs are 0

Both of its inputs are 1

Any of its inputs is 0

Any of its inputs is 1

The maximum displacement from mean position is called:

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Maximum height

Time period

Amplitude

Interval

Radio waves are:

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Electric waves

Electromagnetic waves

X-rays

Radio active ways.

The speed of sound in a liquid is …………..than that in gases:

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Ten times

Fifteen times

Five times

Two times

The phenomena used in capacitor is:

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electrostatic induction

induced current

electric field

electroscope

Two uncharged objects A and B are rubbed against each other. When object B is placed near a negatively charged object C, the two objects repel each other. Which of these statements is true about object A.

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Remains uncharged

Becomes positively charged

Becomes negatively charged

Unpredicatable

If current is flowing from bottom end to the top end in a wire, according to right hand rule the direction of line of forces would be:

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Anti-clock wise

Clock wise

Left and Right

Along the conductor.

The unit of potential difference is:

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Volt

Coulomb

Ampere

Joule

At mean position of pendulum, the potential energy of the pendulum is:

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Maximum

Minimum

Much more

Both a and c

Radioactive isotopes present in atmosphere is

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Cobalt -60

Ph-32

Carbon -14

Carbon -20

The rating of a fuse wire is always expressed in:

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ampere-hours

KWh

Volts

Amperes

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Physics 10th Class English Medium Online Test MCQs With Answers

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