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 wave form of alternating voltage is a

Question # 2

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

Question # 3

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

Question # 4

SI unit of reactance is.

Question # 5

Choke consumes extremely small

Question # 6

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

Question # 7

The combined effect of resistance and reactance in circuit is called:

Question # 8

In three phase A.C supply coils are inclined at an angle of.

Question # 9

In frequency modulation which factor changed.

Question # 10

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

Question # 11

A capacitor is perfectly insulator for:

Question # 12

In Series resonance circuit the impedance of circuit art resonance frequency, is

Question # 13

The combined effect of resistance and reactance is knows as.

Question # 14

In modulation, low frequency signal is known as

Question # 15

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

Question # 16

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

Question # 17

The effective value of any sinusoidal alternating current or voltage 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 of inductor depends upon
A. L
D. All of the above
2 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
3 The effective value of any sinusoidal alternating current or voltage is
D. None of the above
4 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
5 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
6 In pure capacitor A.C. circuit, the current I and charge q are.
A. In phase
B. Out of phase
C. Parallel to each other
D. None of above
7 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
8 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
9 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
10 In purely resistive A.C circuit, instantaneous value of voltage and current:
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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    Rimsha

    20 Oct 2019

    I am rimsha from kabirwala l am not belong to Lahore plz correct my city name

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    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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