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

Choke consumes extremely small

Question # 2

The reactance of inductor depends upon

Question # 3

At high frequency, the current through a capacitor is

Question # 4

The inductive reactance of a coil is direction proportional to.

Question # 5

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

Question # 6

The main use of A.C is

Question # 7

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 8

Unit of impedance is:

Question # 9

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 10

The resonance frequency is given by:

Question # 11

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

Question # 12

The phase angle of a series RLC circult at resonant frequency is

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

If Vrms be the root mean square value of emf then its peak to peak value is given by

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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 flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these
2 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
3 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
A. Half
B. Two
C. Four times
D. One fourth
4 In pure capacitor A.C. circuit, the current I and charge q are.
A. In phase
B. Out of phase
C. Parallel to each other
D. None of above
5 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.
A. Maximum
B. Minimum
C. Zero
D. Negative
6 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
7 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
8 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=∞
9 Vrms =
A. 0.7V∘
B.
0.07V∘
C. 0.007V∘
D. 0.75V∘
10 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite

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