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

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

Question # 2

Seven resistances are connected as shown in the figures . THe equivalent resistance between A and B is:

Question # 3

When a wire of length 'l' and resistance R is cut into two equal parts then resistivity of each part.

Question # 4

A rheostat can operate as.

Question # 5

Heat energy is converted into electrical energy.

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

The resistivity of two wires isρ1 andρ2 which are connected in series. If there dimentions are same then the equivalent resistivity of the combination will be:

Question # 10

Potentiometer is used to.

Question # 11

106 electrons are moving through a wire per second the current developed is:

Question # 12

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

Question # 13

Heat sensitive resistors are called.

Question # 14

Colour codes are used to calculate the.

Question # 15

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

Question # 16

The SI unit of resistivity is.

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 Chapter 0 Important MCQ's

Sr.# Question Answer
1 The value of maximum output power is?
A. E/4R
B. E2/4R
C. E/4R2
D. Non of above
2 If a charge Q flows through any cross section of the conductor in time t, the current I is
A. I=Qt
B. I= Q/t
C. I= Q*t
D. I= Q-t
3 Three resistors of resistance R each are combined in various ways, Which of the following cannot be obtained?
A. 3 RΩ
B. 2R /4Ω
C. R/3Ω
D. 2R /3Ω
4 Thermistor with high - ve temperature coefficient are very accurate for measuring low temperature especially near is.
A. 10 kelvin
B. 70 kelvin
C. 200 kelvin
D. 35 kelvin
5 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
6 A certain wire has a resistance R, the resistivity of an other wire of an identical material with the first, except for twice its diameter is.
A. 1/4 R
B. 4R
C. 2R
D. Same as R
7 mho -m-1 is the unit of.
A. Resistance
B. Resistivity
C. Conductance
D. Conductivity
8 The algebraic sum of potential change in a closed circuit is zero. 
A. Kirchhoff's 1st rule
B. Kirchhoff 2nd rule
C. Krichoff's 3rd rule
D. Kirchhoff 4th  rule
9 Potentiometer is used to.
A. Compare emf of two cells
B. Detect internal resistance of cell
C. Measure P.D.
D. All of these
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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