Question

calculate the value of resistance R in each case​

Answer 1

A=resistance =5
B=resistance =5/6
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Answer 2

(A) part

R1 = 2ohm, R2 = 3 ohm

since, both are connected in series

therefore, Resistance (R) = R1+R2= 2+3 = 5ohm

(B) part

R1 = 2ohm, R2 = 3ohm

since, both are connected in parallel

therefore, 1/R = 1/R1 + 1/R2

= 1/2 + 1/3 = 3+2/6

= 5/6

R = 6/5 = 1.2ohm

hope this helps you..