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

The unit of impedance is.

Question # 2

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

Question # 3

In pure capacitor A.C. circuit, the current I and charge q are.

Question # 4

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

Question # 5

The peak value of A.C source is 20 A, then its rms value will be.

Question # 6

The circuit in which current and voltage are in phase, the power factor is:

Question # 7

The resonance frequency is given by:

Question # 8

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

Question # 9

The condition of resonance is:

Question # 10

At resonance frequency, the impedance of RLC series circuit is.

Question # 11

Choke consumes extremely small

Question # 12

In A.C circuit of inductor which one is true

Question # 13

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 14

In AC system we generate sine wave form because:

Question # 15

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 16

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

Question # 17

Electron vibrating 94,000 times each second will produce radio waves of frequency.

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16th Chapter

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 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
2 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
A. Half
B. Two
C. Four times
D. One fourth
3 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
4 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
5 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
6 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
7 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
8 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None of above
9 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
10 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate

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  • Butt

    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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