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

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 2

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

Question # 3

The electromagnetic spectrum contains

Question # 4

Unit of impedance is:

Question # 5

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

Question # 6

High frequency radio wave is called as

Question # 7

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

Question # 8

SI unit of reactance is.

Question # 9

In chopke coil the resistance XL an resistance R are:

Question # 10

Average value of current and voltage over a complete cycle is.

Question # 11

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

Question # 12

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

Question # 13

The combined effect of resistance and reactance is knows as.

Question # 14

The flow of D.C current is opposed by

Question # 15

The value of capacitive reactance is given by

Question # 16

The device which allows only the flow of D.C. is.

Question # 17

In case of capacitor, the unit of reactance 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 resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
2 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
3 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
4 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
5 The most common source of an A.C. Voltage is.
A. Motor
B. Cell
C. Generator
D. Thermo couple
6 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
7 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
8 Main reason for world wide use of A.C. is
A. It is cheaper
B. Transmitted
C. Botha a and b
D. Reaches in short time
9 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
10 In pure capacitor A.C. circuit, the current I and charge q are.
A. In phase
B. Out of phase
C. Parallel to each other
D. None of above

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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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