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

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Question # 1

The combined effect of resistance and reactance is knows as.

Question # 2

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

Question # 3

In A.C circuit of inductor which one is true

Question # 4

The phase difference between the current and voltage at resonce is:

Question # 5

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

Question # 6

The sum of positive and negative peak value called.

Question # 7

The expression P = VI hold only when current and voltage are.

Question # 8

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 9

The main reason for world wide use of A.C is because:

Question # 10

Radio frequency choke is

Question # 11

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

Question # 12

The flow of D.C current is opposed by

Question # 13

At resonance frequency, the impedance of RLC series circuit is.

Question # 14

Resistance of choke is

Question # 15

In modulation, low frequency signal is known as

Question # 16

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

Question # 17

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

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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 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
2 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
3 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
4 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
5 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
6 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
7 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
8 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
9 In three phase voltage across any two lines is about.
A. 220 V
B. 230 V
C. 400 V
D. 430 V
10 An alternating quantity (voltage or current) is completely known if we know its:
A. Maximum
B. Frequency and phase
C. Effective value
D. Both (a) & (b)

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