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

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Question # 1

The flow of D.C current is opposed by

Question # 2

In frequency modulation, the amplitude of carrier waves is

Question # 3

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

Question # 4

when an inductor comes close to a metallic object, its inductance is.

Question # 5

In Pakistan the frequency of A.C. supply is.

Question # 6

In A.C circuit of inductor which one is true

Question # 7

An in cudutor may store energy in

Question # 8

At resonance frequency, the impedance of RLC series circuit is.

Question # 9

If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.

Question # 10

Vrms =

Question # 11

Power dissipation in A.C circuit is expressed as:

Question # 12

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

Question # 13

The unit of impedance is

Question # 14

Direct current can not flow through.

Question # 15

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

Question # 16

The circuit which compares the two voltages is.

Question # 17

The unit of impedance 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 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
2 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q
3 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
4 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
5 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 
6 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
7 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
8 The inductive reactance of a coil is direction proportional to.
A. Inductance
B. Resistance
C. Frequency of A.C.
D. Both frequency of A.C. and inductance
9 In three phase voltage across any two lines is about.
A. 220 V
B. 230 V
C. 400 V
D. 430 V
10 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance

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