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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Physics ICS Part 2 Chapter 16 Online MCQ's Test

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Question # 1

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

Question # 2

The phase angle of a series RLC circult at resonant frequency is

Question # 3

In modulation, low frequency signal is known as

Question # 4

The combined effect of resistance and reactance is knows as.

Question # 5

The reactance of inductor depends upon

Question # 6

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

Question # 7

Radio frequency choke is

Question # 8

A resistance frequency the impedance of RLC parallel circuit is.

Question # 9

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

Question # 10

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 11

The A.M. transmission frequencies range from

Question # 12

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 13

SI unit of reactance is.

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

At high frequency, the current through a capacitor 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 phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
2 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
3 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
4 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
5 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
6 In LR circiut which one of the following statements is correct?
A. L and R opposes each other
B. R value increases with frequency
C. The inductive reactance increases with frequency
D. The inductive reactance decreases with frequency
7 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
8 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
9 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
10 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π

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