ElectroMagnetic InductionHard
Question
An aluminium ring B faces an electromagnet A. The current I through A can be altered. Then which of the following statement is correct :-
Options
A.If I decreases A will repel B
B.Whether I increases or decreases, B will not experience any force
C.If I increases, A will repel B
D.If I increases, A will attract B
More ElectroMagnetic Induction Questions
The coercivity of a small magnet where the ferromagnet gets demagnetized is 3 × 103 A m-1. The current required to ...When a diamagnetic substances is inserted in a current carrying coil, then magnetic field is :-...The magnetic moment of diamagnetic materials is...A conducting ring is placed in a uniform magnetic field with its plane perpendicular to the field. An emf is induced in ...Two co-axial solenoids shown in figure. If key of primary suddenly opened then direction of instantaneous induced curren...