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

The device which allows only the continuous flow of AC through it is.

Question # 2

The internal resistance of a capacitor is called:

Question # 3

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

Question # 4

The electromagnetic spectrum contains

Question # 5

Impedance is denoted by:

Question # 6

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

Question # 7

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

Question # 8

In three phase A.C. generator the phase difference between each pair of coil is.

Question # 9

In three phase voltage across any two lines is about.

Question # 10

At high frequency the value of reactance of capacitor will be.

Question # 11

In A.C circuit through a capacitor which one is:

Question # 12

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

Question # 13

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

Question # 14

The unit of impedance is

Question # 15

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

Question # 16

The condition of resonance is:

Question # 17

X1is low for low frequency Fy but Xc 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 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
2 Vrms =
A. 0.7V∘
B.
0.07V∘
C. 0.007V∘
D. 0.75V∘
3 The flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these
4 100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.
A. 30.8 Ohm
B. 31.8 Ohm
C. 34.8 Ohm
D. 40 Ohm
5 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
6 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
7 The peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
8 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite
9 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
10 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

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