Questions
A ring of charge with radius 0.5 m has gap. If the ring carries a charge of + 1 C, the electric field at the center is nearly
detailed solution
Correct option is B
Charge on the element opposite to the gap isdq=Q2πr0.002π E=dq4πε0r2Talk to our academic expert!
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A thin copper ring of radius ‘a’ is charged with q units of electricity. An electron is placed at the centre of the copper ring. If the electron is displaced a little, it will have frequency.
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