12th Class FSc Part 2 Physics Chapter Wise Online MCQ Test With Answer PDF

Physics FSC Part 2 Online MCQ's Test

Sr. #	Questions	Answers Choice
1	When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.	100 Ohm 10 Ohm 1000 Ohm 1 Ohm
2	The combined effect of resistance and reactance is knows as.	Inductance Conductance Resistance Impedance
3	The inductive reactance of a coil is direction proportional to.	Inductance Resistance Frequency of A.C. Both frequency of A.C. and inductance
4	The device which allows only the flow of D.C. is.	Capacitors transformer Inductor Generator
5	when an inductor comes close to a metallic object, its inductance is.	Decreased Increased Becomes half Becomes 4 times
6	An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately	50 Hz 100 Hz 80 Hz 120 Hz
7	An in cudutor may store energy in	Its magnetic field Its coil Its electric field A neighboring circuit
8	The phase difference between current and voltage in an inductive circuit is.	zero 90 <sup>o</sup> 180 <sup>o</sup> 45<sup>o</sup>
9	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>
10	The device which allows only the continuous flow of AC through it is.	Inductor Battery Thermistor Capacitor
11	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
12	If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.	Half Two Four times One fourth
13	At high frequency the value of reactance of capacitor will be.	Small Zero Large Infinite
14	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
15	The slope of q-t curve at any instant of time gives.	Voltage Current Charge Botha a and b
16	SI unit of reactance is.	Ohm Mho Farad Henry
17	In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.	Maximum Minimum Zero Negative

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