2nd Year Physics Chapter 13 Online MCQ Test for 12th Class Physics Chapter 13 (Current Electricity)

ICS Part 2 Physics
Chapter 13 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 13 Online MCQ's Test"

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Physics ICS Part 2 Chapter 13 Online MCQ's Test

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Question # 1

The fraction change in resistance per Kelvin is known as:

Question # 2

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

Question # 3

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

Question # 4

Thermosouple is an arrangement of two different metals:

Question # 5

Drift velocity of electrons is.

Question # 6

The unit of temperature co efficient of resistivity is.

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Magnetic effect of current is used in.

Question # 11

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

Question # 12

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

Question # 13

An ideal current source shall have resistance

Question # 14

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

Question # 15

Resistivity at a given temperature depends upon.

Question # 16

Ampere second stands for the unit of.

Question # 17

One ohm is equal to

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ICS Part 2 Physics Chapter 13 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A wire uniform cross-section. A length L and resistance R is cut into two equal parts. The resistivity of each part will be:
A. Doubled
B. Halved
C. Remain the same
D. One fourth
2 When a wire of length 'l' and resistance R is cut into two equal parts then resistivity of each part.
A. is doubled
B. Remains the same
C. Is halved
D. Is one fourth
3 When a pot difference of 4 volt is applied across resistance, 10 J of energy is converted Find charge flows
A. 0.20 C
B. 2.5 C
C. 5.0 C
D. 10.0 C
4 Seven resistances are connected as shown in the figures . THe equivalent resistance between A and B is:
A. 3Ω
B. 4Ω
C. 4.5Ω
D. 5Ω
5 the current which flows from a point at higher. potential to point at lower potential is called.
A. Electric current
B. Conventional current
C. Either of these
D. None of above
6 The powers of two electric bulbs are 100w and 200w. Which are connected to power supply of 220 V. The ratio of resistance of their filament will be:
A. 1:2
B. 2:1
C. 1:3
D. 4:3
7 If the resistance of 500 Ohm have fourth band of silver colour then its upper maximum resistance will be.
A. 600 Ohm
B. 550 Ohm
C. 450 Ohm
D. 400 Ohm
8 Unit (S.I) of temperature coefficient of resistivity of a material is
A. K
B. K-1
C. oC
D. K-2
9 The drift velocity is of order:
A. 10-13m/s
B. 103 m/s
C. 10-3m/s
D. 10-4m/s
10 Heat generated by a 40 W bulb in one hour is.
A. 140 J
B. 1440 J
C. 14400 J
D. 144000 J

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