Question # 1

A charged conductor has charge on its.

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Inner surface

Outer surface

Middle surface

Surrounding space

The thermistors convert changes of temperature into.

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Light energy

Electric voltage

Heat

Sound

The conventional current is due to the flow of

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Atoms and molecules

Positive charge

Negative charge

Bot (b) and (c)

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

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Chemical

Solar

Light

None of these

Colour codes are used to calculate the.

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Nature of resistor

Numerical value of resistance

Potential difference

Current

The unit of conductivity is:

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Ohm^-3m^-1

Ohm m^-1

Both a and b

Ohm m^-1

Potentiometer is used to.

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Compare emf of two cells

Detect internal resistance of cell

Measure P.D.

All of these

Heat generated by a 40 W bulb in one hour is.

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140 J

1440 J

14400 J

144000 J

Magnetic effect of current is used in.

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Toaster

Electric iron

Electric motor

D.C. Battery

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

Thermistor with high - ve temperature coefficient are very accurate for measuring low temperature especially near is.

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10 kelvin

70 kelvin

200 kelvin

35 kelvin

The reciprocal of resistance is called.

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Capacitance

Resistance

Conductance

Inductance

Electric power:

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Vx1

V²x1

V/1

V/1²

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

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Mass

Charge

Energy

Momentum

The condition for the wheatstone bridge to be balanced is given by

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None of above

A battery move a charge of 40 C around a circuit at constant rate in 20 Sec. The current will be.

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2 A

0.5 A

80 A

800 A

The head produced by the passage of current through a resistor is.

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H= I²Rt

H = IR²t

H = 1/Rt

H = I²/Rt

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

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