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Question:

In the figure shown, what is the current (in Ampere) drawn from the battery?

13/24

7/18

20/3

9/32

Solution:

Correct option is C. 9/32
Req = 15 + 25 || 30 = 45 + 25 + 90/3 = 160/3
I = E/Req = 15 × 3/160 = 9/32 amp.