2nd Year Physics Chapter 16 Online MCQ Test for 12th Class Physics Chapter 16 (Alternating Current)

ICS Part 2 Physics
Chapter 16 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 16 Online MCQ's Test"

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Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

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

Question # 2

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

Question # 3

Power dissipation in A.C circuit is expressed as:

Question # 4

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

Question # 5

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

Question # 6

Unit of impedance is:

Question # 7

An A.C. voltmeter reads 220 V, its peak value will be

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

In frequency modulation, the amplitude of carrier waves is

Question # 12

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

Question # 13

The internal resistance of a capacitor is called:

Question # 14

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

Question # 15

Electro magnetic waves emitted from radio antenna are.

Question # 16

The electromagnetic spectrum contains

Question # 17

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

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ICS 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 circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
2 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
3 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
4 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
5 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
6 In a pure inductive A.C. circuit the current.
A. Lags behind voltage by 90 o
B. Leads the voltage by 90 o
C. In phase with voltage
D. Leads the voltage by 270 o
7 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
8 In A.C circuit through a capacitor which one is:
A. Current leads voltage by 90
B. Current lags behind voltage by 90
C. Both will be in phase
D. None of above 
9 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
10 The main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only

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