Questions
A conducting ring is placed around the core of an electromagnet as shown in figure. When key K is pressed, the ring
a
Remains stationary
b
Is attracted towards the electromagnet
c
Jumps out of the core
d
None of the above
detailed solution
Correct option is C
When key K is pressed, current through the electromagnet starts increasing, i.e., flux linked with ring increases which produces repulsion effect.Talk to our academic expert!
Similar Questions
The direction of induced current in the coils A and B in the coils A and B is the situation shown in the figure is
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