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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Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

In frequency modulation, the amplitude of carrier waves is

Question # 2

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.

Question # 3

High frequency radio wave is called as

Question # 4

The sum of positive and negative peak value called.

Question # 5

Xc =

Question # 6

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 7

when an inductor comes close to a metallic object, its inductance is.

Question # 8

Impedance is denoted by:

Question # 9

SI unit of reactance is.

Question # 10

The phase angle of a series RLC circult at resonant frequency is

Question # 11

An A.C. voltmeter reads 220 V, its peak value will be

Question # 12

A resistance frequency the impedance of RLC parallel circuit is.

Question # 13

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

Question # 14

Which consumes small power.

Question # 15

In A.C circuit of inductor which one is true

Question # 16

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

Question # 17

The main use of A.C is

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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 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
2 The highest value reached by the voltage or current in one cycle is called.
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
3 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
4 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q
5 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
6 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
7 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
8 The flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these
9 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
10 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these

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