- (A) Static charge
- (B) Soft iron
- (C) Semi-conductor
- (D) Accelerating charge
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- (A) producing heat
- (B) producing light
- (C) Magnetizing iron
- (D) Producing magnetic field
- (A) A torque about horizontal axis
- (B) A torque about vertical axis
- (C) An upward force along the axis
- (D) No resultant force
- (A) Magnetic flux density
- (B) Torque
- (C) Mutual induction
- (D) Motional emf
- (A) ms-1A
- (B) ms-2A-1
- (C) kgms2A-1
- (D) kgm2s-1A-1
- (A) Small output
- (B) Eddy currents and magnetic hysterias
- (C) Soft iron core
- (D) Back emf
- (A) effect in charging a capacitor
- (B) effect in charging a battery
- (C) effect while passing through an inductance
- (D) heating effect through a resistance
- (A) Vs/Vp = Np/Ns
- (B) Vs/Vp = Ns/Np
- (C) Vp/Vs = Ns/Np
- (D) Vp/Vs = Np/Ns
- (A) 0 volt
- (B) 3.125 volt
- (C) 31.25 volt
- (D) 0.03125 volt
- (A) Decreases the resistance of the solenoid
- (B) Reduces the effect of eddy current
- (C) Improves the flux linkage between the turns of the coil
- (D) Increases the mutual inductance between the solenoid and the core
