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

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Question # 1

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

Question # 2

In AC system we generate sine wave form because:

Question # 3

The circuit which compares the two voltages is.

Question # 4

High frequency radio wave is called as

Question # 5

The electromagnetic spectrum contains

Question # 6

In RLC circuit the energy is dissipated in

Question # 7

Impedance is denoted by:

Question # 8

The effective value of any sinusoidal alternating current or voltage is

Question # 9

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

Question # 10

At high frequency, the current through a capacitor is

Question # 11

Power dissipation in A.C circuit is expressed as:

Question # 12

In case of capacitor, the unit of reactance is

Question # 13

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

Question # 14

In three phase A.C. generator the phase difference between each pair of coil is.

Question # 15

In Series resonance circuit the impedance of circuit art resonance frequency, is

Question # 16

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

Question # 17

The reactance is the ratio of

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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 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
2 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
3 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
4 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
5 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
6 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
7 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
8 Electron vibrating 94,000 times each second will produce radio waves of frequency.
A. 94 Hz
B. 940 HZ
C. 94 Hz
D. 490 Hz
9 In LR circiut which one of the following statements is correct?
A. L and R opposes each other
B. R value increases with frequency
C. The inductive reactance increases with frequency
D. The inductive reactance decreases with frequency
10 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4

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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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