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	The natural frequency of L.C circuit is equal to
2	The unit of impedance is	Farad Henry Tesla Ohm
3	In case of capacitor, the unit of reactance is	Farad Ohm Newton All of these
4	The reactance is the ratio of	V<sub>rms</sub>/I<sub>rms</sub> V<sub>rms</sub> x I<sub>rms</sub> I<sub>rms</sub>/V<sub>rms</sub> V<sub>max</sub> x V<sub>rms</sub>
5	The peak to peak value of alternating voltage is	2V<sub>o</sub> V<sub>o</sub> None of these
6	The value of capacitive reactance is given by	Xc = VI xc= 1/wc or xc= wL xc= 1wc or xc=Lw* All of above
7	If I_o is the peak value of current, then its root mean square value is given by	2 I<sub>o</sub> I<sub>o</sub> 0.7 I<sub>o</sub>
8	If V_rms be the root mean square value of emf then its peak to peak value is given by
9	1 Henry =	VSA<sup>-1</sup> VS<sup>-1</sup>A<sup>-1</sup> V<sup>-1</sup>SA VSA<sup>-2</sup>
10	When the back emf in a current is zero, it draws	Zero current Maximum current Minimum current Steady average current
11
12	If the north pole of a magnet moves away from a metallic ring	Clockwise Anticlockwise First clockwise and then anticlockwise None of above
13	Commutator was invented in	1834 1820 1840 1835
14	A.C is converted into D.C by	Dynamo Rectifier Motor Transformer
15	Self inductance of a long solenoid is given by	None of the above
16	One henry is equal to	1 ohm x 1 sec 1 ohm x 1 hertz 1 ohm x 1 metre All of above
17		Lenz's law Faraday's law Ampere's law None of these

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