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Physics
A conducting sphere of radius R = 20 cm is given a charge Q=16μ C . What is E at centre?
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Q. A conducting sphere of radius R = 20 cm is given a charge $ Q=16\mu C $ . What is E at centre?
Jamia
Jamia 2012
A
$ 3.6\times {{10}^{6}}N/C $
B
$ 1.8\times {{10}^{6}}N/C $
C
Zero
D
$ 0.9\times {{10}^{6}}N/C $
Solution:
The value of E at the centre of sphere is zero Since, the centre of sphere is placed within the Gaussian surface. Hence, $ E=0 $ .