Questions
A condenser is charged using a constant current. The ratio of the magnetic fields at a distance of R/2 and R from the axis is (R is the radius of plate)
detailed solution
Correct option is C
B=μ0id.r2πR2 ; Bα r ; B1B2=r1r2=R/2R=12Talk to our academic expert!
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A parallel plate capacitor consists of two circular r plates each of radius z cm, separated by a distance-of 0.1 mm. If voltage across the plates is varying at the rate of 5 x 10 13 V/s then the value of displacement current is
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