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

100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.

Question # 2

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

Question # 3

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

Question # 4

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 5

For electromagnetic waves, Maxwell generalized

Question # 6

The reactance of inductor depends upon

Question # 7

Phase difference between V and I of an A.C through resistor is.

Question # 8

X1is low for low frequency Fy but Xc is.

Question # 9

The AC system is preferred to DC system because:

Question # 10

Choke consumes extremely small

Question # 11

The main use of A.C is

Question # 12

The reactance is the ratio of

Question # 13

A resistance frequency the impedance of RLC parallel circuit is.

Question # 14

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?

Question # 15

The most common source of an A.C. Voltage is.

Question # 16

when an inductor comes close to a metallic object, its inductance is.

Question # 17

The effective value of any sinusoidal alternating current or voltage 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 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
2 The effective value of any sinusoidal alternating current or voltage is
D. None of the above
3 The A.M. transmission frequencies range from
A. 540 KHz to 1000 KHz
B. 540 Khz to 1600 KHz
C. 520 KHz TO 1600 KHz
D. 520 KHz TO 1400 KHz
4 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
5 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
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 mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
8 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
9 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
10 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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    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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