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A rod of length L and resistance r rotat...

A rod of length `L` and resistance `r` rotates about one end as shown in . Its other end touches a conducting ring of negligible resistence. A resistence `R` is connected between the center and periphery. Draw the electrical equivalence and find the current in resistance `R`. There is a uniform magnetic field `B` directed as shown in .

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Current `I = ((1)/(2)BomegaL^(2))/(R + r)`
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CENGAGE PHYSICS ENGLISH-ELECTROMAGNETIC INDUCTION-Exercise 3.2
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  5. A rectangular loop is moving parallel to a long wire carrying current ...

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  6. Rod PQ of length 2l is rotating about one end P in a uniform magnetic ...

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  7. Rod PQ of length 2l is rotating about its midpoint C in a uniform magn...

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  8. A rod of length L and resistance r rotates about one end as shown in ....

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  9. Solve problem 15 if the length of rod is 2L and resistance 2r and it i...

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  10. A rod of length l is rotating with an angular speed omega about one of...

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  11. A rod of length l is rotating with an angular speed omega about one of...

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  12. Shows rod PQ of mass m and resistance r moving on two fixed, resistanc...

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  13. A rod PQ of length l is rotating about end P, with an angular velocity...

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  14. A ring rotates with angular velocity omega about an axis perpendicula ...

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  15. A ring rotates with angular velocity omega about an axis in the plane ...

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  16. A rod AB moves with a uniform velocity v in a uniform magnetic field ...

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  17. The cube shown in, 50.0 cm on a side, is in a uniform magnetic field o...

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  18. A rod of mass m, length l and resistance R is sliding down on a smooth...

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  19. A conducting rod AC of length 4l is rotated about a point O in a unifo...

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  20. Consider the sliding wire circuit shown in . The wire slides at const...

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