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

Direct current can not flow through.

Question # 2

In case of A.C. through resistor V and I are

Question # 3

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

Question # 4

For electromagnetic waves, Maxwell generalized

Question # 5

In RLC circuit the energy is dissipated in

Question # 6

The AC system is preferred to DC system because:

Question # 7

X1is low for low frequency Fy but Xc is.

Question # 8

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

Question # 9

The power factor of RL series circuit is.

Question # 10

In three phase A.C supply coils are inclined at an angle of.

Question # 11

In Pakistan the frequency of A.C. supply is.

Question # 12

The unit of impedance is

Question # 13

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 14

The combined effect of resistance and reactance in circuit is called:

Question # 15

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 16

At high frequency, the current through a capacitor is

Question # 17

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

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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 An electromagnetic wave goes from air to glass which of the following does not change?
A. Radio waves
B. X-rays
C. Ultra violet radiation
D. Ultra sond waves
2 The highest value reached by the voltage or current in one cycle is called.
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
3 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
4 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
A. Half
B. Two
C. Four times
D. One fourth
5 when an inductor comes close to a metallic object, its inductance is.
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times
6 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
7 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
8 100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.
A. 30.8 Ohm
B. 31.8 Ohm
C. 34.8 Ohm
D. 40 Ohm
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 The natural frequency of L.C circuit is equal to

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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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