Questions
In moving from A to B along an electric field line, the electric field does 6.4 x 10-19 J of work on an electron. If are equipotential surfaces, then the potential difference (VC - VA) is
detailed solution
Correct option is B
Work done by the field, W=q(-dV)=-eVA-VB =eVB-VA=eVC-VA ∵VB=VC ⇒ VC-VA=We=6.4×10-191.6×10-19=4 VTalk 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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