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

The internal resistance of a capacitor is called:

Question # 2

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

Question # 3

The combined effect of resistance and reactance is knows as.

Question # 4

In three phase voltage across any two lines is about.

Question # 5

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

Question # 6

Vrms =

Question # 7

The unit of impedance is

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

Electro magnetic waves emitted from radio antenna are.

Question # 12

The inductive reactance of a coil is direction proportional to.

Question # 13

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

Question # 14

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

Question # 15

Resistance of choke is

Question # 16

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.

Question # 17

The condition of resonance 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 phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
2 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)
3 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
4 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
5 The main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
6 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
7 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
8 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
9 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
10 In purely resistive A.C circuit, instantaneous value of voltage and current:
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2

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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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