Question

A uniformly charged sphere is placed inside a charged hollow sphere as shown in figure. O is the centre
of hollow sphere and C is the centre of solid sphere. The magnitude of charge on both the spheres is

$4 \sqrt{3 \div 7}$


uC. The electric field at point 'P' which lie just outside the hollow sphere is given by
3a kN/C. Find the value of a.
​

Answer 1

Answer:

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Explanation: