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Question
A conducting ring is placed around the core of an electromagnet as shown in fig. When key K is pressed, the ring
A conducting ring is placed around the core of an electromagnet as shown in fig. When key K is pressed, the ring
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Solution
The correct option is C Jumps out of the core
When key k is pressed, current through the electromagnet start increasing i.e. flux linked with ring increases which produces repulsion effect.
Jumps out of the core
When key k is pressed, current through the electromagnet start increasing i.e. flux linked with ring increases which produces repulsion effect.
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