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प्रश्न
In the expression e = –dΦ/dt, the -ve sign signifies ______
विकल्प
The induced emf is produced only when magnetic flux decreases
The induced emf opposes the change in the magnetic flux
The induced emf is opposite to the direction of the flux.
The induced emf is independent of change in magnetic flux.
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उत्तर
In the expression e = –dΦ/dt, the -ve sign signifies the induced emf opposes the change in the magnetic flux.
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