Question 1
How much energy is dissipated as heat during a two-minute time interval by a 1.5-kΩ resistor which has a constant 20-V potential difference across its leads?
◦
58 J
◦
46 J
◦
32 J
◦
72 J
◦
16 J
Question 2
If 5.0 × 1021 electrons pass through a 20-Ω resistor in 10 min, what is the potential difference across the resistor?
◦
21 V
◦
32 V
◦
27 V
◦
37 V
◦
54 V