The _________electrode is a 1-molar solution of hydrogen ions (H+ ) in HCl in contact with hydrogen gas at 1 atmosphere of pressure.
Fill in the blank(s) with the appropriate word(s).
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What did the Voyager mission discover about the main rings of Saturn?
A) There are hundreds of small moons in the ring system. B) They were less dense than the rings of Jupiter. C) There are several small moons inside the inner-most ring. D) The ring system is much thicker than originally believed. E) They are composed of tens of thousands of narrow ringlets.
If the acceleration of an object is always directed perpendicular to its velocity, then
A) the object is speeding up. B) the object is slowing down. C) the object is turning. D) the object is t rest. E) this situation would not be physically possible.
A 10.0-? resistor, 10.0-mH inductor, and 10.0-?F capacitor are connected in series with a 10.0-kHz voltage source. The rms current through the circuit is 0.200 A. Find the rms voltage drop across each of the 3 elements
The figure shows a cross section of three parallel wires each carrying a current of 24 A. The currents in wires B and C are out of the paper, while that in wire A is into the paper. If the distance R = 5.0 mm, what is the magnitude of the force on a 4.0-m length of wire A?
A. 15 mN B. 77 mN C. 59 mN D. 12 mN E. 32 mN