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

The effective value of any sinusoidal alternating current or voltage is

Question # 2

The resonance frequency is given by:

Question # 3

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

Question # 4

In A.C circuit of inductor which one is true

Question # 5

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

Question # 6

Resistance of choke is

Question # 7

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

Question # 8

Vrms =

Question # 9

In frequency modulation which factor changed.

Question # 10

The condition of resonance is:

Question # 11

XL=

Question # 12

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

Question # 13

Impedance is denoted by:

Question # 14

In A.C circuit through a capacitor which one is:

Question # 15

The unit of impedance is

Question # 16

X1is low for low frequency Fy but Xc is.

Question # 17

The AC system is preferred to DC system because:

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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 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
2 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
3 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
4 The AC system is preferred to DC system because:
A. AC voltage can be easily changed in magnitude
B. DC motor angular velocity is affected badly
C. High voltage AC transmission is less efficient
D. Domestic appliance require AC voltage for their operation
5 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
6 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
7 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite
8 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
9 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
10 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one

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