Author Question: How much energy is expended in moving a 20 C charge through a potential difference of 0.5 V? A) ... (Read 74 times)

pepyto · **on:** Jul 28, 2018

How much energy is expended in moving a 20 C charge through a potential difference of 0.5 V?

A) 40 J B) 20 J C) 0.025 J D) 10 J

Question 2

A 9 V battery with a 500 mAh capacity is connected to a circuit that draws 100 mA. How long will the battery be able to power this circuit?

A) 0.2 hours B) 5 hours C) 0.05 hours D) 0.5 hours