A parallel-plate capacitor has plates of area 0.20 m2 separated by a distance of 1.0 mm. What is this capacitor's capacitance?
A) 2.0 × 102 F
B) 40. F
C) 1.8 nF
D) 0.35 nF
E) 22. ?F
C
You might also like to view...
Fermat's principle applies to
A) reflection. B) refraction. C) both of these D) neither of these
A. The divergence is positive. B. The divergence is negative. C. The divergence is zero.
An AC power generator produces 25 A (rms) at 3600 V. The energy is transmitted through a long-distance power line, which has a total resistance of 50 W. What percentage of the power delivered by the generator is dissipated as heat in the long-distance line if a step-up transformer is not used?
a. 69% c. 0.09% b. 35% d. 1.8%
The major processes that heat the interiors of the terrestrial worlds are
A) (1 ) Heat deposited as the planets were built from planetesimals; (2 ) heat of accretion; (3 ) heat that came from the gravitational potential energy of incoming planetesimals. B) (1 ) Heat of accretion; (2 ) heat from convection; (3 ) heat from thermal radiation. C) (1 ) Heat deposited as the planets were built from planetesimals; (2 ) heat deposited as the planets underwent differentiation; (3 ) heat released by radioactive decay. D) (1 ) Volcanism; (2 ) tectonics; (3 ) erosion.