MCQOPTIONS
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| 1. |
The capacitance of a spherical condenser is \[1\mu F\]. If the spacing between the two spheres is\[1\,mm\], then the radius of the outer sphere is [CPMT 1989] |
| A. | \[30cm\] |
| B. | \[6m\] |
| C. | \[\text{1}.\text{5}\times \text{1}{{0}^{\text{3}}}N\] (repulsive) |
| D. | \[3m\] |
| Answer» E. | |