Question

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Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

Parallel:4ohm,. Series:18ohm

Explanation:

R1= 6

R2=12

in series, resistance adds up

therefore, resistance= R1+ R2 =6+12=18 ohm

in parallel,

1/resistance=(1/R1+1/R2)

1/resistance=(1/6+1/12)

1/resistance=3/12

1/resistance=1/4

resistance=4

therefore in parallel resistance is 4ohm