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

XL=

Question # 2

During each cycle A.C. voltage reaches a peak value.

Question # 3

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

Question # 4

Vrms =

Question # 5

The highest value reached by the voltage or current in one cycle is called.

Question # 6

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

Question # 7

The phase difference between current and voltage in an inductive circuit is.

Question # 8

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

Question # 9

In frequency modulation which factor changed.

Question # 10

Electro magnetic waves emitted from radio antenna are.

Question # 11

The combined effect of resistance and reactance is knows as.

Question # 12

In frequency modulation, the amplitude of carrier waves is

Question # 13

At resonance, the behavior of R-L-C series circuit is.

Question # 14

The expression P = VI hold only when current and voltage are.

Question # 15

The resonance frequency is given by:

Question # 16

The reactance of inductor depends upon

Question # 17

The sum of positive and negative peak value called.

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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 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
2 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
3 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
4 The reactance of inductor depends upon
A. L
D. All of the above
5 The A.M. transmission frequencies range from
A. 540 KHz to 1000 KHz
B. 540 Khz to 1600 KHz
C. 520 KHz TO 1600 KHz
D. 520 KHz TO 1400 KHz
6 The peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52
7 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
8 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
9 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
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

    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

    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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