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

Resistivity at a given temperature depends upon.

Question # 2

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

Question # 3

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

Question # 4

Resistance tolerance of silver band is.

Question # 5

The head produced by the passage of current through a resistor is.

Question # 6

The conventional current is due to the flow of

Question # 7

Drift velocity of electrons is.

Question # 8

The free electrons experience force.

Question # 9

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

Question # 10

Which one of the following bulbs has the least resistance.

Question # 11

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 # 12

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

Question # 13

Heat sensitive resistors are called.

Question # 14

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

Question # 15

A battery move a charge of 40 C around a circuit at constant rate in 20 Sec. The current will be.

Question # 16

The product of resistance and conductance is

Question # 17

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:

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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 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
2 The unit of temperature co efficient of resistivity is.
A. Ohm -m
B. K-1
C. K
D. Ohm
3 Semiconductor diodes are called:
A. Ohmic
B. non ohmic
C. Both a & b
D. none of above
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 The head produced by the passage of current through a resistor is.
A. H= I2Rt
B. H = IR2t
C. H = 1/Rt
D. H = I2/Rt
6 What is the resistance of carbon resistor which has band brown black brown.
A. 100 Ohm
B. 1000 Ohm
C. 10 Ohm
D. 1.0 Ohm
7 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
8 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
9 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
10 The free electrons experience force.
A. In direction of -E
B. In direction of E
C. Both A and B
D. All of the above

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