Magnetism and Electromagnetism
What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ?

22 x 10"8 N
22 x 10"7 N
22 x 10-6 N
22 x 10"5 N

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Magnetism and Electromagnetism
The left hand rule correlates to

Current, induced e.m.f. and direction of force on a conductor
Magnetic field, electric field and direction of force on a conductor
Self induction, mutual induction and direction of force on a conductor
Current, magnetic field and direction of force on a conductor

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Magnetism and Electromagnetism
Out of the following statements, concerning an electric field, which statement is not true?

Unit field intensity in the exertion of a force of one newton on a charge of one coulomb
An electric field is defined as a point in space at which an electric charge would experience a force
The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point
The electric intensity is a vector quantity

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