A. Static charge
B. Soft iron
C. Semi-conductor
D. Accelerating charge
Electromagnetic Induction
Electromagnetic Induction
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. transformer
B. motor
C. D.C generator
D. A.C generator
A. AC
B. DC
C. Both A and B
D. none of these
A. decrease
B. become zero
C. remain the same
D. increase