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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  • Total Questions17

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Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

The electromagnetic spectrum contains

Question # 2

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

Question # 3

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

Question # 4

The reactance is the ratio of

Question # 5

X1is low for low frequency Fy but Xc is.

Question # 6

In AC system we generate sine wave form because:

Question # 7

In Pakistan the frequency of A.C. supply is.

Question # 8

Impedance is denoted by:

Question # 9

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

Question # 10

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

Question # 11

If Vrms be the root mean square value of emf then its peak to peak value is given by

Question # 12

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

Question # 13

At high frequency, the current through a capacitor is

Question # 14

In A.C circuit through a capacitor which one is:

Question # 15

Resistance of choke is

Question # 16

The sum of positive and negative peak value called.

Question # 17

The highest value reached by the voltage or current in 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 pure capacitor A.C. circuit, the current I and charge q are.
A. In phase
B. Out of phase
C. Parallel to each other
D. None of above
2 In three phase A.C. generator the phase difference between each pair of coil is.
A. 45o
B. 90o
C. 120o
D. 60o
3 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
4 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
5 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
6 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
7 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
8 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
9 The natural frequency of L.C circuit is equal to
10 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b

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