Knockout BITSAT 2021
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As learnt in
Mutual Induction -
Whenever the current passing throug the coil or circuit changes, the magnetic flux linked with neighbouring coil or circuit will also change.
- wherein
Two loops will repel each other when current in the two loops are in opposite sense. This will happen when current in loop Y will oppose the field produced by loop X, i.e. flux through loop Y is increasing or current in loop X is increasing.
Option 1)
increasing
This option is correct
Option 2)
decreasing
This option is incorrect
Option 3)
constant
This option is incorrect
Option 4)
none of the above cases
This option is incorrect