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

00:00
Question # 1

At high frequency, the current through a capacitor is

Question # 2

An A.C. voltmeter reads 220 V, its peak value will be

Question # 3

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

Question # 4

The resonance frequency is given by:

Question # 5

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

Question # 6

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

Question # 7

The electromagnetic spectrum contains

Question # 8

The condition of resonance is:

Question # 9

If Io is the peak value of current, then its root mean square value is given by

Question # 10

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

Question # 11

Resistance of choke is

Question # 12

The slope of q-t curve at any instant of time gives.

Question # 13

In RLC circuit the energy is dissipated in

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 power factor of RL series circuit is.

Question # 16

Which consumes small power.

Question # 17

The unit of impedance 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
1 100 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
2 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
3 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
4 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
5 During each cycle A.C. voltage reaches a peak value.
A. Once
B. Twice
C. Thrice
D. Four time
6 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
7 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
8 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
9 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
10 The expression P = VI hold only when current and voltage are.
A. In phase
B. Out of phase
C. At right angle to each other
D. At angle of 120 o

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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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