Electric Charges and Field Problems - Numerical 02

 

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Let F₁ be the magnitude of the force exerted on 10mC of charge by 6mC of charge.

If F₂ is the magnitude of the force exerted on 10mC of charge by

'-8mC' of charge, then

Both the forces F₁ and F₂ act at right angles to each other as shown in figure. Their resultant F is given by

or

Also, if q is the angle which F makes with F₁