Question # 1

For non-ohmic devices, the graph between V and I is

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Not a straight line

A straight line

A curve

All of above

A wire uniform cross-section. A length L and resistance R is cut into two equal parts. The resistivity of each part will be:

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Doubled

Halved

Remain the same

One fourth

During electrolysis process, density of CuSO₄ solution

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Remains constant

Decreased

Increased

None of these

Kirchhoff's voltage rule is a way of stating conservation of.

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Mass

Charge

Energy

Momentum

In gas the charge carriers are:

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Electrons

Ions

Both a & b

None of above

Resistance tolerance of silver band is.

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10%

6%

7%

5%

The free electrons experience force.

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In direction of -E

In direction of E

Both A and B

All of the above

Terminal potential difference is greater than emf of the cell when

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Circuit is open

Circuit is closed

small battery is charged by bigger battery

None of these

The color code of "Green"

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8

3

5

7

The heat produced by passage of current.

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H=I²Rt

H=IR2T

H=I/Rt

H=I²/Rt

Three resistors of resistance R each are combined in various ways, Which of the following cannot be obtained?

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3 RΩ

2R /4Ω

R/3Ω

2R /3Ω

Heat energy is converted into electrical energy.

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Solar cells

thermocouples

Electric generators

None of above

The potential difference between the head and tail of an electrical to

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600 Volt

700 Volt

800 Volt

900 Volt

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Physics ICS Part 2 Chapter 13 Online MCQ's Test MCQs With Answers

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