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

00:00
Question # 1

e.m.f is the conversion of --------------- energy into electrical energy

Question # 2

A wire uniform cross-section. A length L and resistance R is cut into two equal parts. The resistivity of each part will be:

Question # 3

The value of maximum output power is?

Question # 4

The Kirchhoff 1st rule is manifestation of:

Question # 5

mho -m-1 is the unit of.

Question # 6

The thermistors convert changes of temperature into.

Question # 7

The current flowing through each resistor of equal resistance in parallel combination is.

Question # 8

The heat produced by passage of current. 

Question # 9

The unit of conductivity is:

Question # 10

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

Question # 11

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 # 12

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

Question # 13

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

Question # 14

Terminal potential difference is greater than emf of the cell when

Question # 15

When a wire is stretched and its radius becomes r/2, then its resistance will be

Question # 16

Resistance tolerance for gold colour is.

Question # 17

The potential difference between the head and tail of an electrical to

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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 When a wire of length 'l' and resistance R is cut into two equal parts then resistivity of each part.
A. is doubled
B. Remains the same
C. Is halved
D. Is one fourth
2 The current flowing through each resistor of equal resistance in parallel combination is.
A. Same
B. Different
C. Zero
D. Infinite
3 Resistivity at a given temperature depends upon.
A. Area of cross section
B. Length
C. Nature of material of conductor
D. Both length and area
4 The resistivity of --------------------decrease with the increase in temp
A. Gold
B. Silver
C. Copper
D. Silicon
5 The drift velocity is of order:
A. 10-13m/s
B. 103 m/s
C. 10-3m/s
D. 10-4m/s
6 A battery move a charge of 40 C around a circuit at constant rate in 20 Sec. The current will be.
A. 2 A
B. 0.5 A
C. 80 A
D. 800 A
7 5 A of current flows through a conductor in 2 minutes, charge in the wire is.
A. 500 C
B. 600 C
C. 400 C
D. 10 C
8 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
9 mho -m-1 is the unit of.
A. Resistance
B. Resistivity
C. Conductance
D. Conductivity
10 The heat produced by passage of current. 
A. H=I2Rt
B. H=IR2T
C. H=I/Rt
D. H=I2/Rt

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