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The loop ABCD is moving with velocity 'v...

The loop `ABCD` is moving with velocity `'v'` towards right. The magnetic field is `4T`. The loop is connected to a resistance of `8 Omega`. If steady current of `2A` flows in the loop then value of `'v'` if loop has a resistance of `4 Omega`, is : (Given `AB = 30 cm, AD = 30 cm`)

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