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

The A.M. transmission frequencies range from

Question # 2

In chopke coil the resistance XL an resistance R are:

Question # 3

Impedance is denoted by:

Question # 4

In purely resistive A.C circuit, instantaneous value of voltage and current:

Question # 5

In a pure inductive A.C. circuit the current.

Question # 6

The value of capacitive reactance is given by

Question # 7

The internal resistance of a capacitor is called:

Question # 8

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

Question # 9

The flow of D.C current is opposed by

Question # 10

Power dissipated in a pure inductor is.

Question # 11

In RLC circuit the energy is dissipated in

Question # 12

A resistance frequency the impedance of RLC parallel circuit is.

Question # 13

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

Question # 14

In A.C circuit through a capacitor which one is:

Question # 15

The reactance of inductor depends upon

Question # 16

In frequency modulation, the amplitude of carrier waves is

Question # 17

Vrms =

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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 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?
A. 4 times
B. 1/4 times
C. 8 times
D. 2 times
2 The flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these
3 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.
A. Maximum
B. Minimum
C. Zero
D. Negative
4 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)
5 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
6 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
7 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
8 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
9 In A.C circuit through a capacitor which one is:
A. Current leads voltage by 90
B. Current lags behind voltage by 90
C. Both will be in phase
D. None of above 
10 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil

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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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