Question

ABCD is a square of Side 2 cm charge of 5 nanocoulomb 10 nanocoulomb and -5 nanocoulomb are placed at the corners of A B and C respectively what is the work done in transferring a charge of 15 microcoulomb from D to the point of intersection of diagonals

Answer 1

Answer:

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ABCD is a square of Side 2 cm charge of 5 and minus are placed at the corners of A and B and C respectively what is the work done in transferring a change of 15 year from the t. Is installed in the diagonals called as

2+5+15+5=27cmAns....

Answer 2

Answer:

Explanation:

Since all the charges placed at the corners are positive, so to maintain equilibrium a negative charge must be placed at the center of the square.

Now what remains is to calculate the magnitude of this negative charge. To calculate, you can use the coulumb's law for force. Since the system is in equilibrium, net force on any charged body in the system will be zero. So to calculate the center charge, take the net force on a corner charge due to all other charges to be zero.