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Electric Charges And Fields

Question
CBSEENPH12037237

Find the magnitude of the resultant force on a charge of 1 μC held at P due to two charges of +2 x 10–8 C and –10–8 C at A and B respectively.
Given      AP = 10 cm
and        BP = 5 cm.
              APB = 90°

Solution



The question can be depicted as in figure above.
Given,