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

Unit of impedance is:

Question # 2

In purely resistive A.C circuit, instantaneous value of voltage and current:

Question # 3

The basic circuit element in A.C. circuit which controls current.

Question # 4

Power dissipated in a pure inductor is.

Question # 5

Radio frequency choke is

Question # 6

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

Question # 7

In A.C circuit of inductor which one is true

Question # 8

Which consumes small power.

Question # 9

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

Question # 10

The internal resistance of a capacitor is called:

Question # 11

At high frequency the value of reactance of capacitor will be.

Question # 12

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

Question # 13

At high frequency, the current through a capacitor is

Question # 14

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

Question # 15

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

Question # 16

In chopke coil the resistance XL an resistance R are:

Question # 17

Average value of current and voltage over a complete cycle 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 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
2 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
3 The highest value reached by the voltage or current in one cycle is called.
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
4 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
5 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
6 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
7 when an inductor comes close to a metallic object, its inductance is.
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times
8 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
9 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
10 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

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