JAMB - Physics (2010 - No. 43)
Three 4Ω resistors connected in parallel have a potential difference of 16 V applied across them. What is the total current in the circuit?
14 A
12 A
10 A
8 A
解释
R = 4/3
I = V/R
| = | 16 |
| 4/3 |
| = | 16 x 3 |
| _4 |
= 12 A
| = | 16 |
| 4/3 |
| = | 16 x 3 |
| _4 |