MCQOPTIONS
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| 1. |
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 = 2W. Two resistance of 6W and 3W are connected as shown in figure. The external force required to keep the connector moving with a constant velocity v = 2m/s is |
| A. | 6 N |
| B. | 4 N |
| C. | 2 N |
| D. | 1 N |
| Answer» D. 1 N | |