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 AC system is preferred to DC system because:

Question # 2

The device which allows only the continuous flow of AC through it is.

Question # 3

Radio frequency choke is

Question # 4

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

Question # 5

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

Question # 6

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

At high frequency, the current through a capacitor is

Question # 11

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

Question # 12

In three phase A.C supply coils are inclined at an angle of.

Question # 13

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

Question # 14

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 15

Which consumes small power.

Question # 16

The peak to peak value of alternating voltage is

Question # 17

The internal resistance of a capacitor is called:

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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 circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
2 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
3 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
4 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
5 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite
6 The main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
7 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
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 A.C circuit of inductor which one is true
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase
10 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite

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