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 internal resistance of a capacitor is called:

Question # 2

If Io is the peak value of current, then its root mean square value is given by

Question # 3

The mean value of A.C. in a cycle is.

Question # 4

The reactance of inductor depends upon

Question # 5

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

Question # 6

The circuit which compares the two voltages is.

Question # 7

The unit of impedance is.

Question # 8

Choke consumes extremely small

Question # 9

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

Question # 10

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

Question # 11

High frequency radio wave is called as

Question # 12

The combined effect of resistance and reactance in circuit is called:

Question # 13

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

Question # 14

The condition of resonance is:

Question # 15

An A.C. voltmeter reads 220 V, its peak value will be

Question # 16

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

Question # 17

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

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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 In case of A.C. through resistor V and I are
A. At 0 o with each other
B. At 180 o with each other
C. At 90 o with each other
D. At 270 o with each other
3 If Vrms be the root mean square value of emf then its peak to peak value is given by
4 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
5 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
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 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
8 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
9 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None of above
10 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite

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