Question

ammeter reading,value of R2​

Answer 1

see

Current in R1=8 and R=5

using ohms law V=IR

V=8×5= 40 V

Now , since voltage is same in parallel

V3=V2=V1=40V

reading of ammeter = V/R =40/20=2A

now CURRENT IN R2= 11-8-2=1A

again using ohms law

R3= 40/1=40 ohm

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