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 slope of q-t curve at any instant of time gives.

Question # 2

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

Question # 3

The combined effect of resistance and reactance is knows as.

Question # 4

In a pure inductive A.C. circuit the current.

Question # 5

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

Question # 6

The wave form of alternating voltage is a

Question # 7

The resonance frequency is given by:

Question # 8

In chopke coil the resistance XL an resistance R are:

Question # 9

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

Question # 10

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 11

The AC system is preferred to DC system because:

Question # 12

In metal detector, we use.

Question # 13

The inductive reactance of a coil is direction proportional to.

Question # 14

An in cudutor may store energy in

Question # 15

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

Question # 16

Power dissipated in a pure inductor is.

Question # 17

Direct current can not flow through.

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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 peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
2 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
3 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
4 In three phase A.C. generator the phase difference between each pair of coil is.
A. 45o
B. 90o
C. 120o
D. 60o
5 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
6 In three phase voltage across any two lines is about.
A. 220 V
B. 230 V
C. 400 V
D. 430 V
7 An alternating quantity (voltage or current) is completely known if we know its:
A. Maximum
B. Frequency and phase
C. Effective value
D. Both (a) & (b)
8 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
9 If Vrms be the root mean square value of emf then its peak to peak value is given by
10 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o

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