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 reactance is the ratio of

Question # 2

The combined effect of resistance and reactance in circuit is called:

Question # 3

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

Question # 4

Choke consumes extremely small

Question # 5

The natural frequency of L.C circuit is equal to

Question # 6

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

Question # 7

Which consumes small power.

Question # 8

In chopke coil the resistance XL an resistance R are:

Question # 9

The flow of D.C current is opposed by

Question # 10

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

Question # 11

XL=

Question # 12

Radio frequency choke is

Question # 13

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

Question # 14

Average value of current and voltage over a complete cycle is.

Question # 15

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

Question # 16

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

Question # 17

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

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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 sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
2 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
3 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
4 The reactance of inductor depends upon
A. L
D. All of the above
5 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
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 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
8 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
9 The most common source of an A.C. Voltage is.
A. Motor
B. Cell
C. Generator
D. Thermo couple
10 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H

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