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

In Pakistan the frequency of A.C. supply is.

Question # 2

In chopke coil the resistance XL an resistance R are:

Question # 3

The main use of A.C is

Question # 4

Resistance of choke is

Question # 5

XL=

Question # 6

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 7

In three phase A.C. generator the phase difference between each pair of coil is.

Question # 8

A resistance frequency the impedance of RLC parallel circuit is.

Question # 9

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

Question # 10

An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately

Question # 11

The mean value of A.C. in a cycle is.

Question # 12

The flow of D.C current is opposed by

Question # 13

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

Question # 14

The natural frequency of L.C circuit is equal to

Question # 15

The device which allows only the flow of D.C. is.

Question # 16

At high frequency, the current through a capacitor is

Question # 17

In A.C circuit through a capacitor which one 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 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
2 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
3 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
4 The value of capacitive reactance is given by
A. Xc = VI
B. xc= 1/wc or xc= wL
C. xc= 1*wc or xc=Lw
D. All of above
5 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
6 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
7 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
8 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
9 Vrms =
A. 0.7V∘
B.
0.07V∘
C. 0.007V∘
D. 0.75V∘
10 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C

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