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 alternating quantity (voltage or current) is completely known if we know its:

Question # 3

Choke consumes extremely small

Question # 4

The circuit which compares the two voltages is.

Question # 5

The phase difference between current and voltage in an inductive circuit is.

Question # 6

Xc =

Question # 7

Power dissipation in A.C circuit is expressed as:

Question # 8

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

Question # 9

The internal resistance of a capacitor is called:

Question # 10

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

Question # 11

If Io is the peak value of current, then its root mean square value is given by

Question # 12

The wave form of alternating voltage is a

Question # 13

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

Question # 14

The power factor of RL series circuit is.

Question # 15

Impedance is denoted by:

Question # 16

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

Question # 17

Vrms =

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
2 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
3 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
4 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
A. Half
B. Two
C. Four times
D. One fourth
5 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
6 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
7 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
8 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
9 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=∞
10 The highest value reached by the voltage or current is one cycle is called:
A. Peak to peak value
B. Peak value
C.
Instantaneous value
D. Root mean square value

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