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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Physics ICS Part 2 Chapter 13 Online MCQ's Test

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Question # 1

The unit of temperature co efficient of resistivity is.

Question # 2

The unit of resistance is:

Question # 3

Magnetic effect of current is used in.

Question # 4

Electric power:

Question # 5

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

Question # 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:

Question # 7

Colour codes are used to calculate the.

Question # 8

The color code of "Green"

Question # 9

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

Question # 10

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 # 11

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

Question # 12

In carbon resistors, then value of Blue colour is.

Question # 13

The free electrons experience force.

Question # 14

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

Question # 15

Resistivity at a given temperature depends upon.

Question # 16

Heat energy is converted into electrical energy.

Question # 17

If 1 x 107 electrons passes through a conductor in 1.0 micro second , then the current is.

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ICS Part 2 Physics Chapter 13 Online Test MCQ's

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Sr.# Question Answer
1 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:
A. (ρ1 +ρ2)
B. 1/ρ1+ 1/ρ2
C. ρ1+ρ2/2
D. ρ1/ρ2
2 mho -m-1 is the unit of.
A. Resistance
B. Resistivity
C. Conductance
D. Conductivity
3 The unit of resistance is:
A. Ω
B. Ωm
C. Ω-1m-1
D. Ωm-1
4 Potentiometer is used to.
A. Compare emf of two cells
B. Detect internal resistance of cell
C. Measure P.D.
D. All of these
5 Colour codes are used to calculate the.
A. Nature of resistor
B. Numerical value of resistance
C. Potential difference
D. Current
6 The fraction change in resistance per Kelvin is known as:
A. Temperature coefficient of Resistance
B. Coefficient of voltage of change
C. Thermal  expansion
D. All of the above 
7 A rheostat can operate as.
A. Amplifier
B. Potential divider
C. Oscillator
D. Transformer
8 Magnetic effect of current is used
A. To detect a current
B. To measure a current
C. In electric motor
D. All of above
9 The value of maximum output power is?
A. E/4R
B. E2/4R
C. E/4R2
D. Non of above
10 Kirchhoff's first rule is the manifestation of the law of conservation of.
A. Mass
B. Charge
C. Energy
D. Momentum

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