Questions
Two conducting spheres of radii r1 and r2 have same electric field near their surfaces. The ratio of their electric potential is
detailed solution
Correct option is D
E=14πε0×q1r12 and E=14πε0×q2r22 ∴ V1V2=14πε0×q1r114πε0×q2r2=r2r1Talk to our academic expert!
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Two parallel plates separated by a distance of 5 mm are kept at a potential difference of 50 V. A particle of mass 10-15 kg and charge 10-11 C enters in it with a velocity 107 m/s. The acceleration of the particle will be
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