Question
A conducting ring is placed around the core of an electromagnet as shown in fig. When key K is pressed, the ringÂ
Â
Â
Answer: Option C
:
C
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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:
C
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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