Electromagnetism UE Past Papers Questions.
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(1524) Question Category: Short answers How many electrons do we need to remove from an initially neutrall ball to give it a charge of 1 C? Answer / Solution UNSOLVED |
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(1525) Question Category: Short answers Is the force between two charges ever zero? Give an example to support your answer. Answer / Solution UNSOLVED |
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(1526) Question Category: Short answers A positive charge Q is to be divided into two positive charges q1 and q2. Show that for a separation distance D, the force exerted by one charge on the other is greatest if q1=q2=Q/2. Answer / Solution UNSOLVED |
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(1527) Question Category: Short answers A certain charge Q is to be divided into two parts (Q-q) and q. What is the relation of Q to q if the two parts, placed in a given distance apart, are to have a maximum Coulomb`s repulsion? Answer / Solution UNSOLVED |
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(1528) Question Category: Short answers In charging an object by rubbing, how many electrons must be transfered to give an object a net charge of +10-6 C? Must the electrons be added or taken away? Answer / Solution UNSOLVED |
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