Physics FSC Part 2 Online MCQ's Test With Answers

image
image
image

Physics FSC Part 2 Online MCQ's Test

Sr. # Questions Answers Choice
1 The flow of D.C current is opposed by Resistor Induction Capacitor All of these
2 Direct current can not flow through. Inductor Resistor Transistor Capacitor
3 In case of A.C. through resistor V and I are At 0<sup> o</sup> with each other At 180 <sup>o</sup> with each other At 90<sup> o</sup> with each other At 270 <sup>o</sup> with each other
4 Phase difference between V and I of an A.C through resistor is. Zero Degree 90 <sup>o</sup> 80<sup>o</sup> 120<sup>o</sup>
5 The Basic circuit element in a D.C. circuits which controls the current and voltage is <div>Resistor</div> Inductor <div>Capisitor</div> Transistor
6 The basic circuit element in A.C. circuit which controls current. Resistor only Capacitor only Inductor only All of these
7 An A.C. voltmeter reads 220 V, its peak value will be 225 V 240 V 311.12 V 300 V
8 The sum of positive and negative peak value called. R.M.S. value P-P value Peak value Average value
9 The peak value of A.C source is 20 A, then its rms value will be. 14.1 A 10 A 20 A 28.2 A
10 The most common source of an A.C. Voltage is. Motor Cell Generator Thermo couple
11 Average value of current and voltage over a complete cycle is. Positive Negative Zero Infinite
12 In Pakistan the frequency of A.C. supply is. 50 Hz 60 Hz 45 Hz 70 Hz
13 The wave form of alternating voltage is a Cotangent curve Cosine curve Sine curve Tangent curve
14 The main use of A.C is Minimum line losses Long distance transmission Stepping up to required voltage only Steeping down to required voltage only
15 The highest value reached by the voltage or current in one cycle is called. Peak ot peak value Peak value Instantaneous value Root mean square value
16 The mean value of A.C. in a cycle is. 1 0 I2 Nil
17 During each cycle A.C. voltage reaches a peak value. Once Twice Thrice Four time
Download This Set