E=r2kQ=(15×10−2)29×109×3.2×10−7
E=1.28×105NC−1
A spherical conductor of radius 10 cm has a charge of 3.2 × 10^-7 C distributed uniformly. What is the magnitude of electric field at a point 15 cm…
NEET UG 2020 — Physics Electromagnetism
2020mcqeasy
A spherical conductor of radius 10 cm has a charge of 3.2×10−7C distributed uniformly. What is the magnitude of electric field at a point 15 cm from the centre of the sphere? (4πε01=9×109Nm2C−2)
Official previous-year question
Held on 30 Apr 2020 · Verified 9 Jul 2026.
Options
- A
1.28×105NC−1
- B
1.28×106NC−1
- C
1.28×107NC−1
- D
1.28×104NC−1
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