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

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

Question # 2

In metal detector, we use.

Question # 3

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 4

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

Question # 5

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 6

The sum of positive and negative peak value called.

Question # 7

Impedance is denoted by:

Question # 8

Unit of impedance is:

Question # 9

If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.

Question # 10

The inductive reactance of a coil is direction proportional to.

Question # 11

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

Question # 12

Resistance of choke is

Question # 13

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

Question # 14

In A.C circuit of inductor which one is true

Question # 15

A capacitor is perfectly insulator for:

Question # 16

The combined effect of resistance and reactance is knows as.

Question # 17

Power dissipation in A.C circuit is expressed as:

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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 power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
2 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
3 An alternating quantity (voltage or current) is completely known if we know its:
A. Maximum
B. Frequency and phase
C. Effective value
D. Both (a) & (b)
4 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
5 In case of A.C. through resistor V and I are
A. At 0 o with each other
B. At 180 o with each other
C. At 90 o with each other
D. At 270 o with each other
6 The most common source of an A.C. Voltage is.
A. Motor
B. Cell
C. Generator
D. Thermo couple
7 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
8 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
9 The peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
10 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

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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

    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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