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

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

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Question # 1

The electromagnetic spectrum contains

Question # 2

In three phase voltage across any two lines is about.

Question # 3

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

Question # 4

The unit of impedance is.

Question # 5

In Series resonance circuit the impedance of circuit art resonance frequency, is

Question # 6

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

Question # 7

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

Question # 8

In A.C circuit of inductor which one is true

Question # 9

An in cudutor may store energy in

Question # 10

An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately

Question # 11

100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.

Question # 12

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

Question # 13

In AC system we generate sine wave form because:

Question # 14

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

Question # 15

At high frequency, the current through a capacitor is

Question # 16

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?

Question # 17

The Basic circuit element in a D.C. circuits which controls the current and voltage 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 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
2 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
3 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
4 Vrms =
A. 0.7V
B.
0.07V
C. 0.007V
D. 0.75V
5 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.
A. Maximum
B. Minimum
C. Zero
D. Negative
6 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
7 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q
8 The peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52
9 In three phase A.C. generator the phase difference between each pair of coil is.
A. 45o
B. 90o
C. 120o
D. 60o
10 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite

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