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Question
Two identical conductors P and Q are placed on two frictionless fixed conducting rails R and S in a uniform magnetic field directed into the place. If P is moved in the direction shown in figure with a constant speed, then rod Q.
Two identical conductors P and Q are placed on two frictionless fixed conducting rails R and S in a uniform magnetic field directed into the place. If P is moved in the direction shown in figure with a constant speed, then rod Q.
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Solution
The correct option is A Will be attracted towards P
As the conductor P moves away from Q, the area of the loop enclosed by the conductors and the rails increases. This is turn increases the flux through the loop.EMF will be induced in such a way that the change in flux will be resisted. The induced current will cause Q to move towards P thereby reducing the area and thus the flux back.
As the conductor P moves away from Q, the area of the loop enclosed by the conductors and the rails increases. This is turn increases the flux through the loop.
EMF will be induced in such a way that the change in flux will be resisted. The induced current will cause Q to move towards P thereby reducing the area and thus the flux back.
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