Which of the following moons is considered likely to have a deep, subsurface ocean of liquid water?
A) Europa
B) Io
C) Miranda
D) Triton
A) Europa
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LR Circuits: A 45-mH inductor is connected in series with a 60-? resistor through an ideal 15-V dc power supply and an open switch. What is the current 7.0 ms after closing the switch?
A. 250 mA B. 650 mA C. 550 mA D. 280 mA E. 850 mA
What is the cause of a magnetic field about a permanent magnet and about a current-carrying wire?
What will be an ideal response?
An adiabatic expansion refers to the fact that
a. no heat is transferred between a system and its surroundings. b. the pressure remains constant. c. the temperature remains constant. d. the volume remains constant.
What is the definition of heat capacity?
a. The amount of heat that raises one gram of water one degree Celsius. b. The amount of heat that raises the temperature of an object one degree Celsius. c. The amount of heat an object can stand before it burns up. d. The maximum amount of heat an object can hold. e. The amount of heat an object can pass to a cooler object.