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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  • Total Questions17

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Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

In frequency modulation, the amplitude of carrier waves is

Question # 2

The AC system is preferred to DC system because:

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

The electromagnetic spectrum contains

Question # 7

Choke consumes extremely small

Question # 8

An electromagnetic wave goes from air to glass which of the following does not change?

Question # 9

The phase difference between the current and voltage at resonce is:

Question # 10

The effective value of any sinusoidal alternating current or voltage is

Question # 11

Unit of impedance is:

Question # 12

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

Question # 13

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

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 value of reactance of capacitor will be.

Question # 16

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

Question # 17

In chopke coil the resistance XL an resistance R are:

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16th Chapter

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 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
2 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
3 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
4 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
5 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
6 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
7 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
8 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
9 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
10 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above

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