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A rectangular loop with a sliding connec...

A rectangular loop with a sliding connector of length `l = 1.0 m` is situated in a uniform magnetic field `B = 2T` perpendicular to the plane of loop. Resistance of connector is `r = 2 Omega`. Two resistances of `6Omega` and `3Omega` are connected as shown in . The external force required to keep the connetor moving with a constant velocity `v = 2 m s^(-1)` is

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A rectangle loop with a sliding connector of length l=1.0 m is situated in a uniform magnetic field B=2T perpendicular to the plane of loop. Resistance of connector is r=2Omega . Two resistance of 6Omega and 3Omega are connected as shown in figure. the external force required to keep the connector moving with a constant velocity v=2m//s is

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