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 unit of impedance is.

Question # 2

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

Question # 3

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 4

A capacitor is perfectly insulator for:

Question # 5

The combined effect of resistance and reactance is knows as.

Question # 6

The A.M. transmission frequencies range from

Question # 7

The main reason for world wide use of A.C is because:

Question # 8

Radio frequency choke is

Question # 9

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

Question # 10

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

Question # 11

In RLC circuit the energy is dissipated in

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The electromagnetic spectrum contains

Question # 16

In A.C circuit of inductor which one is true

Question # 17

The inductive reactance of a coil is direction proportional to.

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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 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
2 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.
A. Maximum
B. Minimum
C. Zero
D. Negative
3 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
4 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q
5 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
6 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
7 Electron vibrating 94,000 times each second will produce radio waves of frequency.
A. 94 Hz
B. 940 HZ
C. 94 Hz
D. 490 Hz
8 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
9 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
10 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ

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