Question

have two bulbs having resistances 60 Ω and 40 Ω. I want to connect them in a circuit by decreasing the resistance. (a) Which method should I choose for decreasing the resistance? *
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Answer 1

Answer:

parellal resistance will decrease the total resistance

Answer 2

Answer:

Use parallel Circuit

Explanation:

when you we connect them in series that is R1+R2=60 +40=100 ohms

but,when u will connect then in parallel then,total resistance will be 1/R1+1/R2=1/60+1/40=24 ohms only.