Physics FSC Part 2 Chapter 16 Online MCQ's Test With Answers

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

Sr. # Questions Answers Choice
1 In a pure inductive A.C. circuit the current. Lags behind voltage by 90 <sup>o</sup> Leads the voltage by 90 <sup>o</sup> In phase with voltage Leads the voltage by 270 <sup>o</sup>
2 The device which allows only the continuous flow of AC through it is. Inductor Battery Thermistor Capacitor
3 In pure capacitor A.C. circuit, the current I and charge q are. In phase Out of phase Parallel to each other None of above
4 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes. Half Two Four times One fourth
5 At high frequency the value of reactance of capacitor will be. Small Zero Large Infinite
6 100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is. 30.8 Ohm 31.8 Ohm 34.8 Ohm 40 Ohm
7 The slope of q-t curve at any instant of time gives. Voltage Current Charge Botha a and b
8 SI unit of reactance is. Ohm Mho Farad Henry
9 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is. Maximum Minimum Zero Negative
10 The flow of D.C current is opposed by Resistor Induction Capacitor All of these
11 Direct current can not flow through. Inductor Resistor Transistor Capacitor
12 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
13 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>
14 The Basic circuit element in a D.C. circuits which controls the current and voltage is <div>Resistor</div> Inductor <div>Capisitor</div> Transistor
15 The basic circuit element in A.C. circuit which controls current. Resistor only Capacitor only Inductor only All of these
16 An A.C. voltmeter reads 220 V, its peak value will be 225 V 240 V 311.12 V 300 V
17 The sum of positive and negative peak value called. R.M.S. value P-P value Peak value Average value
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