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

00:00
Question # 1

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

Question # 2

Impedance is denoted by:

Question # 3

The natural frequency of L.C circuit is equal to

Question # 4

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

Question # 5

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

Question # 6

The phase difference between current and voltage in an inductive circuit is.

Question # 7

During each cycle A.C. voltage reaches a peak value.

Question # 8

Direct current can not flow through.

Question # 9

At resonance, the behavior of R-L-C series circuit is.

Question # 10

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

Question # 11

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

Question # 12

Which consumes small power.

Question # 13

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

Question # 14

The internal resistance of a capacitor is called:

Question # 15

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

Question # 16

In metal detector, we use.

Question # 17

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

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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 AC system we generate sine wave form because:
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
2 If Io is the peak value of current, then its root mean square value is given by
B. 2 Io
C. Io
D. 0.7 Io
3 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
4 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
5 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
6 An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
A. 50 Hz
B. 100 Hz
C. 80 Hz
D. 120 Hz
7 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
8 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
9 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
10 The effective value of any sinusoidal alternating current or voltage is
D. None of the above

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