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

In chopke coil the resistance XL an resistance R are:

Question # 2

In A.C circuit of inductor which one is true

Question # 3

Phase difference between V and I of an A.C through resistor is.

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Average value of current and voltage over a complete cycle is.

Question # 8

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

Question # 9

An alternating quantity (voltage or current) is completely known if we know its:

Question # 10

A capacitor is perfectly insulator for:

Question # 11

The power factor of RL series circuit is.

Question # 12

The effective value of any sinusoidal alternating current or voltage is

Question # 13

High frequency radio wave is called as

Question # 14

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

Question # 15

The AC system is preferred to DC system because:

Question # 16

Impedance is denoted by:

Question # 17

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

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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 wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
2 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
3 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
4 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
5 During each cycle A.C. voltage reaches a peak value.
A. Once
B. Twice
C. Thrice
D. Four time
6 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
7 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
8 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 
9 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite
10 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms

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