2nd Year Physics Chapter 16 Online MCQ Test for 12th Class Physics Chapter 16 (Alternating Current)

ICS Part 2 Physics
Chapter 16 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 16 Online MCQ's Test"

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  • Total Questions17

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Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

The internal resistance of a capacitor is called:

Question # 2

The AC system is preferred to DC system because:

Question # 3

Main reason for world wide use of A.C. is

Question # 4

The highest value reached by the voltage or current is one cycle is called:

Question # 5

The electromagnetic spectrum contains

Question # 6

The natural frequency of L.C circuit is equal to

Question # 7

The mean value of A.C. in a cycle is.

Question # 8

In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?

Question # 9

The basic circuit element in A.C. circuit which controls current.

Question # 10

In a pure inductive A.C. circuit the current.

Question # 11

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 12

In case of A.C. through resistor V and I are

Question # 13

The highest value reached by the voltage or current in one cycle is called.

Question # 14

The main use of A.C is

Question # 15

Which consumes small power.

Question # 16

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 17

The most common source of an A.C. Voltage is.

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ICS Part 2 Physics Chapter 16 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
2 The main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
3 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
4 In three phase A.C. generator the phase difference between each pair of coil is.
A. 45o
B. 90o
C. 120o
D. 60o
5 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
6 The highest value reached by the voltage or current is one cycle is called:
A. Peak to peak value
B. Peak value
C.
Instantaneous value
D. Root mean square value
7 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
8 In A.C circuit of inductor which one is true
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase
9 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
10 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite

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