Question # 1

In gas the charge carriers are:

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Electrons

Ions

Both a & b

None of above

Colour codes are used to calculate the.

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Nature of resistor

Numerical value of resistance

Potential difference

Current

Unit (S.I) of temperature coefficient of resistivity of a material is

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K

K^-1

^oC

K^-2

What is the resistance of carbon resistor which has band brown black brown.

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100 Ohm

1000 Ohm

10 Ohm

1.0 Ohm

The vessel containing the tow electrodes and liquid to known as.

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Chemical cell

Volt cell

Volta cell

Volta meter

The reciprocal of resistance is called.

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Capacitance

Resistance

Conductance

Inductance

The thermistors convert changes of temperature into.

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Light energy

Electric voltage

Heat

Sound

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 heat produced by passage of current.

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H=I²Rt

H=IR2T

H=I/Rt

H=I²/Rt

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

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

A rheostat can operate as.

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Amplifier

Potential divider

Oscillator

Transformer

The drift velocity is of order:

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10^-13m/s

10³ m/s

10^-3m/s

10^-4m/s

The current flowing through each resistor of equal resistance in parallel combination is.

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Same

Different

Zero

Infinite

In carbon resistors, then value of Blue colour is.

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6

7

8

9

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

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600 Volt

700 Volt

800 Volt

900 Volt

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

The resistivity of --------------------decrease with the increase in temp

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Gold

Silver

Copper

Silicon

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

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