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

Electro magnetic waves emitted from radio antenna are.

Question # 2

The peak to peak value of alternating voltage is

Question # 3

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

Question # 4

The device which allows only the flow of D.C. is.

Question # 5

In purely resistive A.C circuit, instantaneous value of voltage and current:

Question # 6

Radio frequency choke is

Question # 7

An in cudutor may store energy in

Question # 8

Resistance of choke is

Question # 9

In frequency modulation, the amplitude of carrier waves is

Question # 10

An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately

Question # 11

In chopke coil the resistance XL an resistance R are:

Question # 12

The inductive reactance of a coil is direction proportional to.

Question # 13

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

Question # 14

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

Question # 15

Power dissipation in A.C circuit is expressed as:

Question # 16

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

Question # 17

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

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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 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
2 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
3 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
4 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
5 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
6 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
7 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
8 The effective value of any sinusoidal alternating current or voltage is
D. None of the above
9 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
10 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor

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