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A solenoid of radius R number of turn per unit length n and length L has a current I=I_(0) cos omega t. The value of induced electric field at a distance of r outside the solenoid, is : |
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Answer» `(mu_(0)nI_(0)OMEGAR^(2))/(2R) SIN omega t` `E2pi r = -pi R^(2) (d)/(dt) mu_(0)ni` `E = (mu_(0)nI_(0)omegaR^(2))/(2r) sin omega t`. |
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