2nd Year Physics Chapter 16 Online MCQ Test for 12th Class Physics Chapter 16 (Alternating Current)

ICS Part 2 Physics
Chapter 16 Test

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

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Physics ICS Part 2 Chapter 16 Online MCQ's Test

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Question # 1

The combined effect of resistance and reactance is knows as.

Question # 2

The unit of impedance 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

Direct current can not flow through.

Question # 6

In case of A.C. through resistor V and I are

Question # 7

If Vrms be the root mean square value of emf then its peak to peak value is given by

Question # 8

The value of capacitive reactance is given by

Question # 9

Xc =

Question # 10

The wave form of alternating voltage is a

Question # 11

In chopke coil the resistance XL an resistance R are:

Question # 12

The effective value of any sinusoidal alternating current or voltage is

Question # 13

The inductive reactance of a coil is direction proportional to.

Question # 14

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

Question # 15

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

Question # 16

In frequency modulation which factor changed.

Question # 17

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

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ICS 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 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
2 The reactance of inductor depends upon
A. L
D. All of the above
3 The flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these
4 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
5 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
6 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
7 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
8 In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?
A. 4 times
B. 1/4 times
C. 8 times
D. 2 times
9 An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:
A. 50 Hz
B. 25Hz
C. 100 Hz
D. 75 Hz
10 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum

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