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

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

Question # 2

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

Question # 3

the current which flows from a point at higher. potential to point at lower potential is called.

Question # 4

Potentiometer is used to.

Question # 5

Resistance tolerance for gold colour is.

Question # 6

The resistivity of --------------------decrease with the increase in temp

Question # 7

The reciprocal of resistance is called.

Question # 8

5 A of current flows through a conductor in 2 minutes, charge in the wire is.

Question # 9

Semiconductor diodes are called:

Question # 10

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 # 11

The value of maximum output power is?

Question # 12

Tolerance of "Gold" band.

Question # 13

Magnetic effect of current is used in.

Question # 14

Colour codes are used to calculate the.

Question # 15

Unit (S.I) of temperature coefficient of resistivity of a material is

Question # 16

One ohm is equal to

Question # 17

By increasing the temperature of conductor, the flow rate of charges.

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ICS Part 2 Physics Chapter 13 Online Test MCQ's

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Sr.# Question Answer
1 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 
2 Magnetic effect of current is used
A. To detect a current
B. To measure a current
C. In electric motor
D. All of above
3 The heat produced by passage of current. 
A. H=I2Rt
B. H=IR2T
C. H=I/Rt
D. H=I2/Rt
4 The color code of "Green"
A. 8
B. 3
C. 5
D. 7
5 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
6 The vessel containing the tow electrodes and liquid to known as.
A. Chemical cell
B. Volt cell
C. Volta cell
D. Volta meter
7 The potential difference between the head and tail of an electrical to
A. 600 Volt
B. 700 Volt
C. 800 Volt
D. 900 Volt
8 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
9 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
10 Calculate current in 2 2R /4Ω resistor.
A. 1 A
B. 2R /4Ω
C. R/3Ω
D. 2R /3Ω
11 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
12 In gas the charge carriers are:
A. Electrons
B. Ions
C. Both a & b
D. None of above
13 The current through a resistance of 100 Ohm when connecting across a source of 220 V is.
A. 22000 A
B. 22 A
C. 2.2 A
D. 0.45 A
14 For ohmic device the graph between V and I is.
A. A straight line
B. Curve
C. Hyperbola
D. Parabola
15 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
16 If there is no fourth band, tolerance is shows as
A. Choice 1
B. Choice 2
C. Choice 3
D. 10%
17 Potentiometer is used to.
A. Compare emf of two cells
B. Detect internal resistance of cell
C. Measure P.D.
D. All of these

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