Physics FSC Part 2 Chapter 15 Online MCQ's Test With Answers

image
image
image

Physics FSC Part 2 Chapter 15 Online MCQ's Test

Sr. # Questions Answers Choice
1 The Direction of induced current is always so as to oppose the change which causes the current, is: Faraday's law Lenz's law Ohm's law Kirchhoff' s1ast rule
2 The direction of induced current is always so as to oppose the change which causes the current is: Faraday's law Lenz's  law Ohm's law Kirchhoff's 1st rule
3 The  Lenz's law is also statement of: Law of conservation of mass Law of conservation of charge Law of conservation of energy Law of conservation of momentum
4 Lenz's law was given by Heinrich lenz in: 1894 1904 1854 1834
5 The emf induced by the motion of a conductor across a magnetic field is called: Motional emf Rotational emf Induced emf All of above
6 The movement of conductor in magnetic field produces electrical current was discovered in: 1931 1731 1842 1831
7 The current induced can be increased by: Using a stronger magnetic field Moving the loop faster Replacing the loop bay coi of many turns All of above
8 Electric current produces magnetic field, was suggested by. Faraday Oersted Henry Lenz
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
Download This Set
×