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

In carbon resistors, then value of Blue colour is.

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6

7

8

9

mho -m-1 is the unit of.

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Resistance

Resistivity

Conductance

Conductivity

Two resistance of 2 Ohm each are connected in parallel combination equivalent resistance will be.

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4 Ohm

2 Ohm

1 Ohm

8 Ohm

Kirchhoff's first rule is the manifestation of the law of conservation of.

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Mass

Charge

Energy

Momentum

Ampere second stands for the unit of.

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Charge

emf

energy

Power

Heat sensitive resistors are called.

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resistors

Capacitor

Thermistors

Inductors

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

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Mass

Charge

Energy

Momentum

Magnetic effect of current is used

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To detect a current

To measure a current

In electric motor

All of above

For ohmic device the graph between V and I is.

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A straight line

Curve

Hyperbola

Parabola

Thermosouple is an arrangement of two different metals:

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Two convert heat energy into electrical energy

To produce more heat

To convert heat energy into chemical energy

To convert electrical energy into heat energy

One ohm is equal to

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VC-1

CV-1

AC-1

VA^-1

When a pot difference of 4 volt is applied across resistance, 10 J of energy is converted Find charge flows

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0.20 C

2.5 C

5.0 C

10.0 C

The heat produced by passage of current.

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H=I²Rt

H=IR2T

H=I/Rt

H=I²/Rt

The current through a resistance of 100 Ohm when connecting across a source of 220 V is.

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22000 A

22 A

2.2 A

0.45 A

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

A substance having the negative temperature co efficient of resistivity out of the following is.

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Carbon

Iron

Tungsten

Gold

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

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