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Find the current through resistor R....

Find the current through resistor R.

A

9A

B

10A

C

11A

D

8A

Text Solution

Verified by Experts

The correct Answer is:
D
`R_(eq)=12/31+1=52/31Omega`
`i=(20xx31)/52A`
`i_(1)=i_(2):i_(3)=1/3:1/1:1/7=7:21:3`
`i_(2)=21/31xx(20xx31)/52=(21xx20)/52=105/13=8A`
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