1.

Charges are placed on the verticles of a as shown. Let `vec(E)` be the electric field and V the potential at the centre. If the charges on a and B are inercharged with those on D and C respectively, then- A. `vec(E)` remains unchanged, V changesB. both `vec(E)` and V changeC. `vec(E)` and V remain unchangedD. `vec(E)` charges and V remains unchanged

Answer» Correct Answer - D
Potential remains same as it depends on algebraic sum of charges but electric field `vec(E)` charges.


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