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 basic circuit element in A.C. circuit which controls current.

Question # 2

Xc =

Question # 3

In AC system we generate sine wave form because:

Question # 4

At resonance frequency, the impedance of RLC series circuit is.

Question # 5

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

Question # 6

SI unit of reactance is.

Question # 7

For electromagnetic waves, Maxwell generalized

Question # 8

A capacitor is perfectly insulator for:

Question # 9

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

Question # 10

The effective value of any sinusoidal alternating current or voltage is

Question # 11

At high frequency, the current through a capacitor is

Question # 12

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

Question # 13

Direct current can not flow through.

Question # 14

In metal detector, we use.

Question # 15

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

Question # 16

The unit of impedance is

Question # 17

The wave form of alternating voltage is a

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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 In case of A.C. through resistor V and I are
A. At 0 o with each other
B. At 180 o with each other
C. At 90 o with each other
D. At 270 o with each other
2 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
3 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
4 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
5 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
6 The A.M. transmission frequencies range from
A. 540 KHz to 1000 KHz
B. 540 Khz to 1600 KHz
C. 520 KHz TO 1600 KHz
D. 520 KHz TO 1400 KHz
7 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
8 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
9 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
10 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π

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