Physics FSC Part 2 Online MCQ's Test With Answers

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Physics FSC Part 2 Online MCQ's Test

Sr. # Questions Answers Choice
1 1 Henry = VSA<sup>-1</sup> VS<sup>-1</sup>A<sup>-1</sup> V<sup>-1</sup>SA VSA<sup>-2</sup>
2 When the back emf in a current is zero, it draws Zero current Maximum current Minimum current Steady average current
3
4 If the north pole of a magnet moves away from a metallic ring Clockwise Anticlockwise First clockwise and then anticlockwise None of above
5 Commutator was invented in 1834 1820 1840 1835
6 A.C is converted into D.C by Dynamo Rectifier Motor Transformer
7 Self inductance of a long solenoid is given by None of the above
8 One henry is equal to 1 ohm x 1 sec 1 ohm x 1 hertz 1 ohm x 1 metre All of above
9 Lenz's law Faraday's law Ampere's law None of these
10 Lenz's law presented in 1834 1934 1826 1836
11 The direction of induced current is always so as to oppose the change which causes the current, this is the statement of Lenz's law Faraday's law Ampere's law Coulomb's law
12 The unit of induced emf is Ampere Volt Joule/coulomb Both (b) and (c)
13 Michael Faraday and Joseph Henry belongs to England and USA France and USA China and USA None of these
14 The magnitude of motional emf is given by
15 The acceleration of an electron of mass m and charge e, moving with uniform speed v at right angles to a magnetic field of flux density B, is given by Bevm
16 To convert a galvanometer into an ammeter, we connect with it a Shunt resistance Low value parallel Low value by pass resistor All of above
17 For  accurate measurement of current through a circuit, the resistance of ammeter should be Very small Very high Neither small nor high None of the above
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