Question # 1

Magnetic effect of current is used

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To detect a current

To measure a current

In electric motor

All of above

If the resistance of 500 Ohm have fourth band of silver colour then its upper maximum resistance will be.

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600 Ohm

550 Ohm

450 Ohm

400 Ohm

Resistance tolerance of silver band is.

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10%

6%

7%

5%

Semiconductor diodes are called:

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Ohmic

non ohmic

Both a & b

none of above

Resistivity at a given temperature depends upon.

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Area of cross section

Length

Nature of material of conductor

Both length and area

If a charge Q flows through any cross section of the conductor in time t, the current I is

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I=Qt

The thermistors convert changes of temperature into.

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Light energy

Electric voltage

Heat

Sound

In carbon resistors, then value of Blue colour is.

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6

7

8

9

5 A of current flows through a conductor in 2 minutes, charge in the wire is.

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500 C

600 C

400 C

10 C

During electrolysis process, density of CuSO₄ solution

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Remains constant

Decreased

Increased

None of these

Ampere second stands for the unit of.

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Charge

emf

energy

Power

The algebraic sum of potential change in a closed circuit is zero.

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Kirchhoff's 1st rule

Kirchhoff 2^nd rule

Krichoff's 3^rd rule

Kirchhoff 4^th rule

Electric power:

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Vx1

V²x1

V/1

V/1²

Specific resistance of a material depends upon.

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Length

Area

Temperature

Both A and B

A rheostat can be used as variable resistor as well as a-------------

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Potential divider

Current divider

Wheat stone bridge

Power divider

Which one of the following bulbs has the least resistance.

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100 W

200 W

500 W

1000 W

e.m.f is the conversion of --------------- energy into electrical energy

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Chemical

Solar

Light

None of these

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Physics Fsc Part 2 Chapter 2 Online Test MCQs With Answers

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