Second Year Physics Chapter 16 Online MCQ Test for 2nd Year Physics Chapter 16 Alternating Current Preparation

FSC Part 2 Physics
Chapter 16 Test

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

Direct current can not flow through.

Question # 2

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 3

Xc =

Question # 4

The peak value of A.C source is 20 A, then its rms value will be.

Question # 5

In AC system we generate sine wave form because:

Question # 6

Choke consumes extremely small

Question # 7

In metal detector, we use.

Question # 8

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 9

The flow of D.C current is opposed by

Question # 10

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

Question # 11

The main reason for world wide use of A.C is because:

Question # 12

For electromagnetic waves, Maxwell generalized

Question # 13

In RLC circuit the energy is dissipated in

Question # 14

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

Question # 15

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 16

An electromagnetic wave goes from air to glass which of the following does not change?

Question # 17

In pure capacitor A.C. circuit, the current I and charge q are.

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FSC 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 condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
2 Phase difference between V and I of an A.C through resistor is.
A. Zero Degree
B. 90 o
C. 80o
D. 120o
3 The A.M. transmission frequencies range from
A. 540 KHz to 1000 KHz
B. 540 Khz to 1600 KHz
C. 520 KHz TO 1600 KHz
D. 520 KHz TO 1400 KHz
4 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
5 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
6 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
7 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10∘
D. Maximum
8 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
9 In a pure inductive A.C. circuit the current.
A. Lags behind voltage by 90 o
B. Leads the voltage by 90 o
C. In phase with voltage
D. Leads the voltage by 270 o
10 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil

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