1.Thin charged disc radius RRR, surface density σ\sigmaσ. Field at centre is σ/2ε0\sigma/2\varepsilon_0σ/2ε0. Field along axis at distance RRR from centre:a.reduces by 70.7%70.7\%70.7%b.reduces by 29.3%29.3\%29.3%c.reduces by 9.7%9.7\%9.7%d.reduces by 14.6%14.6\%14.6%Login to continueOnly logged in users canattempt or see the solution.
