Physics FSC Part 2 Chapter 16 Online MCQ's Test

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

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

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Question # 1

In three phase A.C supply coils are inclined at an angle of.

Question # 2

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

Question # 3

The circuit which compares the two voltages is.

Question # 4

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

Question # 5

The combined effect of resistance and reactance is knows as.

Question # 6

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

Question # 7

At high frequency, the current through a capacitor is

Question # 8

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

Question # 9

The peak to peak value of alternating voltage is

Question # 10

The effective value of any sinusoidal alternating current or voltage is

Question # 11

The reactance is the ratio of

Question # 12

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

Question # 13

Resistance of choke is

Question # 14

Xc =

Question # 15

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

Question # 16

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

Question # 17

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

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
2 Electron vibrating 94,000 times each second will produce radio waves of frequency.
A. 94 Hz
B. 940 HZ
C. 94 Hz
D. 490 Hz
3 The reactance of inductor depends upon
A. L
D. All of the above
4 In case of A.C. through resistor V and I are
A. At 0 o with each other
B. At 180 o with each other
C. At 90 o with each other
D. At 270 o with each other
5 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
6 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
7 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
8 The highest value reached by the voltage or current in one cycle is called.
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
9 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
10 An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
A. 50 Hz
B. 100 Hz
C. 80 Hz
D. 120 Hz

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