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

Radio frequency choke is

Question # 2

An alternating quantity (voltage or current) is completely known if we know its:

Question # 3

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 4

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

Question # 5

A resistance frequency the impedance of RLC parallel circuit is.

Question # 6

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

Question # 7

The inductive reactance of a coil is direction proportional to.

Question # 8

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 # 9

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

Question # 10

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.

Question # 11

In metal detector, we use.

Question # 12

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

Question # 13

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

Question # 14

High frequency radio wave is called as

Question # 15

The expression P = VI hold only when current and voltage are.

Question # 16

The peak to peak value of alternating voltage is

Question # 17

In Series resonance circuit the impedance of circuit art resonance frequency, 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 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10∘
D. Maximum
2 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite
3 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
4 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
5 The inductive reactance of a coil is direction proportional to.
A. Inductance
B. Resistance
C. Frequency of A.C.
D. Both frequency of A.C. and inductance
6 An alternating quantity (voltage or current) is completely known if we know its:
A. Maximum
B. Frequency and phase
C. Effective value
D. Both (a) & (b)
7 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
8 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
9 The natural frequency of L.C circuit is equal to
10 In A.C circuit through a capacitor which one is:
A. Current leads voltage by 90∘
B. Current lags behind voltage by 90∘
C. Both will be in phase
D. None of above 

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