A solenoid having N turns and carrying a current of 2.000 A has a length of 34.00 cm. If the magnitude of the magnetic field generated at the center of the solenoid is 9.000 mT, what is the value of N? (?0 = 4? × 10-7 T • m/
A)
A) 860.0
B) 1591
C) 2318
D) 3183
E) 1218
E
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Kinetic Energy: If, instead of the correct formula for kinetic energy, we carelessly use the classical expression for kinetic energy for a particle moving at half the speed of light, by what magnitude percent will our calculation be in error? (c = 3.0 × 108 m/s)
A. 24% B. 19% C. 27% D. 7% E. 1%
Power: If we double the resistance in a circuit but keep the current in it constant, the power dissipated by that circuit will
A. be four times as great. B. be two times as great. C. be one-half as great. D. be one-fourth as great.
. 
Reference: Ref 5-1
Temperatures 1 and 2 are the ______________ and the ______________, respectively.
In which process will the internal energy of the system NOT change?
a. An adiabatic expansion of an ideal gas. b. An isothermal compression of an ideal gas. c. An isobaric expansion of an ideal gas. d. The freezing of a quantity of liquid at its melting point. e. The evaporation of a quantity of a liquid at its boiling point.