Question

Calculate the current flowing through the circuit shown below

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Answer 1

Answer

I = 0.1 A

Explanation:

from 2nd fig the two 30 ohm resistance are in series hence

Rs = 30 + 30 = 60 ohm

they are in parallel with 30 ohm hence

R = 30 II RS =  (30*60 ) /( 30+60 ) =1800/ 90 = 20 ohm

using ohms law,

I = v/ R = 2 /20 = 0.1 A