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In series connection current is same in each resistance So
I=V/R
I=20/20
I=1A
R'=V/I
R'=12/1
R'=12ohm
1. Total resistance=20+12
Total resistance=32ohm
(a). 1A
(b). 12ohm
I=V/R
I=20/20
I=1A
R'=V/I
R'=12/1
R'=12ohm
1. Total resistance=20+12
Total resistance=32ohm
(a). 1A
(b). 12ohm
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