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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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 16 Online MCQ's Test"

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

The sum of positive and negative peak value called.

Question # 2

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 3

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

Question # 4

The resonance frequency is given by:

Question # 5

X1is low for low frequency Fy but Xc is.

Question # 6

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

Question # 7

During each cycle A.C. voltage reaches a peak value.

Question # 8

The most common source of an A.C. Voltage is.

Question # 9

The mean value of A.C. in a cycle is.

Question # 10

Choke consumes extremely small

Question # 11

Power dissipated in a pure inductor is.

Question # 12

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 # 13

A resistance frequency the impedance of RLC parallel circuit is.

Question # 14

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

Question # 15

The peak value of A.C source is 20 A, then its rms value will be.

Question # 16

The flow of D.C current is opposed by

Question # 17

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve 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 If Io is the peak value of current, then its root mean square value is given by
B. 2 Io
C. Io
D. 0.7 Io
2 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
3 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
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 The most common source of an A.C. Voltage is.
A. Motor
B. Cell
C. Generator
D. Thermo couple
6 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
7 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
8 The peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52
9 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q
10 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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  • Rimsha

    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

    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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  • zia

    zia

    28 Jun 2016

    thankx

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