Second Year Physics Chapter 16 Online MCQ Test for 2nd Year Physics Chapter 16 Alternating Current Preparation

FSC Part 2 Physics
Chapter 16 Test

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

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

Question # 2

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

Question # 3

For electromagnetic waves, Maxwell generalized

Question # 4

Impedance is denoted by:

Question # 5

The main use of A.C is

Question # 6

The device which allows only the continuous flow of AC through it is.

Question # 7

In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?

Question # 8

Main reason for world wide use of A.C. is

Question # 9

Xc =

Question # 10

In modulation, low frequency signal is known as

Question # 11

The resonance frequency is given by:

Question # 12

An electromagnetic wave goes from air to glass which of the following does not change?

Question # 13

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

Question # 14

The peak to peak value of alternating voltage is

Question # 15

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

Question # 16

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

Question # 17

100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.

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FSC 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 reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
2 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
3 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
4 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
5 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
6 100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.
A. 30.8 Ohm
B. 31.8 Ohm
C. 34.8 Ohm
D. 40 Ohm
7 Phase difference between V and I of an A.C through resistor is.
A. Zero Degree
B. 90 o
C. 80o
D. 120o
8 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
9 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
10 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V

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    Butt

    31 Mar 2020

    I want to give some test

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    20 Oct 2019

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    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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