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

In frequency modulation which factor changed.

Question # 2

An in cudutor may store energy in

Question # 3

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

Question # 4

Choke consumes extremely small

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Average value of current and voltage over a complete cycle is.

Question # 9

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

Question # 10

At high frequency the value of reactance of capacitor will be.

Question # 11

Resistance of choke is

Question # 12

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

Question # 13

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

Question # 14

In pure capacitor A.C. circuit, the current I and charge q are.

Question # 15

Direct current can not flow through.

Question # 16

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

Question # 17

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

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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 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q
2 The expression P = VI hold only when current and voltage are.
A. In phase
B. Out of phase
C. At right angle to each other
D. At angle of 120 o
3 Main reason for world wide use of A.C. is
A. It is cheaper
B. Transmitted
C. Botha a and b
D. Reaches in short time
4 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
5 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
6 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
7 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
8 In a pure inductive A.C. circuit the current.
A. Lags behind voltage by 90 o
B. Leads the voltage by 90 o
C. In phase with voltage
D. Leads the voltage by 270 o
9 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
10 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

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