Four point charges , ,

PHYSICS · Subjective · CBSE · Physics · Electric Charges and Fields · Electric Charges and Fields

Problem

Four point charges

q_A = 2 \mu\text{C}

,

q_B = -5 \mu\text{C}

,

q_C = 2 \mu\text{C}

, and

q_D = -5 \mu\text{C}

are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of

1 \mu\text{C}

placed at the centre of the square?

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