Sparkletron
Member
- Joined
- Sep 10, 2010
- Messages
- 14
Can someone help me understand why the answer I selected is not correct...?
First I determined the current using Ohm's law:
E = IR
I = E / R
I = 400VDC / 800R = 0.5A
Then the power:
P = IE
P = 0.5A x 400VDC = 200W
First I determined the current using Ohm's law:
E = IR
I = E / R
I = 400VDC / 800R = 0.5A
Then the power:
P = IE
P = 0.5A x 400VDC = 200W
Last edited: