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 unit of impedance is.

Question # 2

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

Question # 3

In pure capacitor A.C. circuit, the current I and charge q are.

Question # 4

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

Question # 5

The electromagnetic spectrum contains

Question # 6

The natural frequency of L.C circuit is equal to

Question # 7

In LR circiut which one of the following statements is correct?

Question # 8

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

Question # 9

The value of capacitive reactance is given by

Question # 10

An alternating quantity (voltage or current) is completely known if we know its:

Question # 11

The expression P = VI hold only when current and voltage are.

Question # 12

Xc =

Question # 13

The flow of D.C current is opposed by

Question # 14

In A.C circuit of inductor which one is true

Question # 15

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

Question # 16

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

Question # 17

The phase difference between the current and voltage at resonce 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 velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
2 An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
A. 50 Hz
B. 100 Hz
C. 80 Hz
D. 120 Hz
3 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
4 In A.C circuit of inductor which one is true
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase
5 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
6 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
7 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
8 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None of above
9 If Vrms be the root mean square value of emf then its peak to peak value is given by
10 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential

Test Questions

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    Butt

    31 Mar 2020

    I want to give some test

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    Rimsha

    20 Oct 2019

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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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