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

00:00
Question # 1

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

Question # 2

The drift velocity is of order:

Question # 3

Tolerance of "Gold" band.

Question # 4

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

Question # 5

The unit of conductivity is:

Question # 6

The heat produced by passage of current. 

Question # 7

The thermistors convert changes of temperature into.

Question # 8

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

Question # 9

Resistivity at a given temperature depends upon.

Question # 10

A rheostat can operate as.

Question # 11

If there is no fourth band, tolerance is shows as

Question # 12

Colour codes are used to calculate the.

Question # 13

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

Question # 14

Drift velocity of electrons is.

Question # 15

Semiconductor diodes are called:

Question # 16

The current through a resistance of 100 Ohm when connecting across a source of 220 V 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 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
2 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
3 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 
4 If 1 x 107 electrons passes through a conductor in 1.0 micro second , then the current is.
A. 2 A
B. 1.6 A
C. 2.6 x 10-6 A
D. 1.6 x 10-6 A
5 Terminal potential difference is greater than emf of the cell when
A. Circuit is open
B. Circuit is closed
C. small battery is charged by bigger battery
D. None of these
6 Electric power:
A. Vx1
B. V2x1
C. V/1
D. V/12
7 For non-ohmic devices, the graph between V and I is
A. Not a straight line
B. A straight line
C. A curve
D. All of above
8 The unit of conductivity is:
A. Ohm-3m-1
B. Ohm m-1
C. Both a and b
D. Ohm m-1
9 The resistivity of --------------------decrease with the increase in temp
A. Gold
B. Silver
C. Copper
D. Silicon
10 The SI unit of resistivity is.
A. Ohm m-2
B. Ohm m-1
C. Ohm m
D. Ohm

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