- (A) current, induced e.m.f. and direction of force on a conductor
- (B) magnetic field, electric field and direction of force on a conductor
- (C) self induction, mutual induction and direction of force on a conductor
- (D) current, magnetic field and direction of force on a conductor
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- (A) zero
- (B) BLI
- (C) B2LI
- (D) BLI2
- (A) magnetoes
- (B) energy meters
- (C) transformers
- (D) loud-speakers
- (A) 2 x 1(T2 N/m)
- (B) 2 x KT3 N/m
- (C) 2 x 10″5 N/m
- (D) 2x 1(T7 N/m)
- (A) cobalt
- (B) chromium
- (C) nickel
- (D) tungsten
- (A) slightly less than unity
- (B) equal to unity
- (C) slightly more than unity
- (D) equal to that ferromagnetic mate rials
- (A) electromotive force
- (B) magnetomotive force
- (C) conductance
- (D) permittivity
- (A) Tungsten
- (B) Aluminium
- (C) Copper
- (D) Nickel
- (A) ferromagnetic
- (B) paramagnetic
- (C) diamagnetic
- (D) bipolar
- (A) little
- (B) lower
- (C) higher
- (D) zero
