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

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Question # 1

Which consumes small power.

Question # 2

The phase difference between the current and voltage at resonce is:

Question # 3

Power dissipation in A.C circuit is expressed as:

Question # 4

The natural frequency of L.C circuit is equal to

Question # 5

Average value of current and voltage over a complete cycle is.

Question # 6

Impedance is denoted by:

Question # 7

XL=

Question # 8

The flow of D.C current is opposed by

Question # 9

The inductive reactance of a coil is direction proportional to.

Question # 10

In RLC circuit the energy is dissipated in

Question # 11

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 12

The main use of A.C is

Question # 13

Vrms =

Question # 14

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

Question # 15

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

Question # 16

Direct current can not flow through.

Question # 17

The A.M. transmission frequencies range from

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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 device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
2 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
3 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
4 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
5 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
6 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
7 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
8 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
9 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
10 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm

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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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