In the diagram above , the current I is
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
Correct Answer: Option B
Explanation:
For parallel of 5Ω and 10Ω1/R = 1/10 + 1/5 = 1+2/10 = 3/10
∴R = 10/3
Total R = 31/3 + 3 x 1 = 71/2
∴I = 6/71/3 = 6/1 x 3/22 = 18/22 = 9/11
∴I = 9/11
| R+r |
For parallel of 5Ω and 10Ω1/R = 1/10 + 1/5 = 1+2/10 = 3/10
∴R = 10/3
Total R = 31/3 + 3 x 1 = 71/2
∴I = 6/71/3 = 6/1 x 3/22 = 18/22 = 9/11
∴I = 9/11