The horizontal telegraph wire 100 m long, oriented along magnetic east west falls freely under
Channel: Doubtnut
Date: 2020-06-14

The horizontal telegraph wire 100 m long, oriented along magnetic east west falls freely under gravity to the ground with a speed of 20 cm/s. the horizontal component of earth's magnetic field is `4.0xx10^(-5)` tesla. The emf induced in the wire at the instant, the wire strikes the gound is