NEET Class neet Answered
the capacitance of a metallic sphere is 1 uf, then it's radius is nearly (1) 1.11 m (2) 10 m (3) 9 km (4) 1.11 cm
Asked by Kuldeepjangde333 | 04 May, 2023, 11:49: AM
Expert Answer
Capacitance of solid sphere = ( 4πεo )R
where εo is permittivity of free space and R is radius of sphere.
If the capacitance of solid shere is 1μF , then we have
Hence radius R = 9 × 10-3 m = 9 mm
Hence we can say that radius is nearly 1.1 cm
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