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

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

Question # 2

Power dissipation in A.C circuit is expressed as:

Question # 3

The sum of positive and negative peak value called.

Question # 4

Resistance of choke is

Question # 5

Choke consumes extremely small

Question # 6

A resistance frequency the impedance of RLC parallel circuit is.

Question # 7

Vrms =

Question # 8

In frequency modulation which factor changed.

Question # 9

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

Question # 10

In purely resistive A.C circuit, instantaneous value of voltage and current:

Question # 11

In frequency modulation, the amplitude of carrier waves is

Question # 12

Xc =

Question # 13

Radio frequency choke is

Question # 14

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 15

High frequency radio wave is called as

Question # 16

In LR circiut which one of the following statements is correct?

Question # 17

Direct current can not flow through.

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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 peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
2 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
3 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
4 In purely resistive A.C circuit, instantaneous value of voltage and current:
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2
5 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
6 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
7 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
8 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
9 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
10 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b

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