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18. Electric Charges And Field question bank (Physics)

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Q1.

Two small identical metal balls are equally charged and placed at a fixed distance away from each other. They experience an electrostatic force '$F$'. $A$ similar uncharged ball,after touching one of them,is placed at the midpoint between the two balls. The force experienced by this ball is:

(A)
$F/2$
(B)
$F$
(C)
$4F$
(D)
$2F$
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Q2.

$A$ Van de Graaff generator produces:

(A)
low voltage and low current.
(B)
high voltage and high current.
(C)
high voltage and low current.
(D)
low voltage and high current.
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