The electric field on the surface of a perfect conductor is 2 V/m. The conductor is immersed in water with ∈ = 80 ∈0. The surface charge density on the conductor is $$\left( { \in = \frac{{{{10}^{ - 9}}}}{{36\pi }}} \right){\text{F/m}}$$
A. 0 C/m2
B. 2 C/m2
C. 1.8 × 10-11 C/m2
D. 1.41 × 10-9 C/m2
Answer: Option D
Related Questions on Electromagnetic Field Theory
A loop antenna is a commonly used for
A. Radar
B. Direction finding
C. Satellite communication
D. All of the above
The divergence of a vector is a scalar, while the curl of a vector is another
A. Scalar
B. Vector
C. Unit vector
D. None of the above
Which antenna is a wideband antenna?
A. Hertz antenna
B. Marconi antenna
C. Folded dipole
D. None of the above
A. Accelerating
B. Retardation
C. Oscillating
D. Lagging the current

Join The Discussion