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

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

The sum of positive and negative peak value called.

Question # 2

In Series resonance circuit the impedance of circuit art resonance frequency, is

Question # 3

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

Question # 4

During each cycle A.C. voltage reaches a peak value.

Question # 5

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

Question # 6

The combined effect of resistance and reactance in circuit is called:

Question # 7

Which consumes small power.

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The circuit which compares the two voltages is.

Question # 12

For electromagnetic waves, Maxwell generalized

Question # 13

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

Question # 14

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.

Question # 15

Electro magnetic waves emitted from radio antenna are.

Question # 16

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 17

Radio frequency choke is

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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 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite
2 In A.C circuit through a capacitor which one is:
A. Current leads voltage by 90
B. Current lags behind voltage by 90
C. Both will be in phase
D. None of above 
3 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
4 The highest value reached by the voltage or current in one cycle is called.
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
5 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
6 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
7 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
8 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
9 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.
A. Maximum
B. Minimum
C. Zero
D. Negative
10 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these

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