Physics, 08.12.2020 02:20 b2cutie456
In a battery (voltaic cell), in which direction does conventional current flow?
a. from The negative to a positive electrode
b. from the sink plate to the copper plate
c. from the sink copper plate to the sink plate
d. from the top of the plates to the bottom
Answers: 2
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A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
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Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt
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The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg ยท s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
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In a battery (voltaic cell), in which direction does conventional current flow?
a. from The negativ...
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