two point charges of +16micro C and -9 micro C are placed 8 cm apart in air . determined the position of he point at which the resultant electric field is zero ?
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uniform electric field pointing in positivex-direction exists in a region. let a be the origin,b be the point on the x-axis at x = + 1 cm and cbe the point on the y-axis at y = + 1 cm. then thepotentials at the points a, b and c satisfy:
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