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A rectangle loop with a sliding connecto...

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

A

6 N

B

4 N

C

2 N

D

1 N

Text Solution

Verified by Experts

The correct Answer is:
B
`F=(B^2l^2v)/(R_P) "here" R_P=(6xx3)/(6+3)=2Omega`
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NARAYNA-ELECTROMAGNETIC INDUCTION-EXERCISE-2 (H.W)
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  8. A rod of length 10 cm made up of conducting and non-conducting materia...

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  13. A straight solenoid of length 1 m has 5000 turns in the primary and 20...

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