Description
A point charge causes an electric flux of –2 × 104 Nm2C–1 to pass through a spherical Gaussian surface of 8.0 cm radius, centred on the charge. The value of the point charge is :
(Given ε0 = 8.85 × 10–12C2N–1m–2)
(1) –17.7 × 10–8C. 2) -15.7 × 10–8C
(3) 17.7 × 10–8C 4) 15.7 × 10–8C
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