The electric field at the surface of a conductor is
A) always zero.
B) perpendicular to the surface.
C) parallel to the surface.
D) never zero.
B
You might also like to view...
Two 100 W lightbulbs are to be connected to a 120 V source. What is the current, potential difference, and dissipated power for each when they are connected:
(a) in parallel (the normal arrangement)? (b) in series?
A radar pulse sent out to an airplane at a distance of 24.9 km will return as an echo to the source in what time interval? (c = 3.00 × 10^8 m/s)
a. 3.33E–5 s b. 8.30E–5 s c. 1.66E–4 s d. 4.15E–5 s e. 4.98E–4 s
A block on a level, frictionless surface and connected to a spring undergoes simple harmonic motion with amplitude A. At x = 0, which relationship is correct?
a. |v| < |vmax| b. |v| = |vmax| c. |v| > |vmax| d. Not enough information to determine a relationship.
The most characteristic feature of sedimentary rocks is that they are
A) observed in great thicknesses. B) formed in layered sequences-strata. C) fossiliferous. D) made from unconsolidated sediments.