Question

there are 3 resistors joined in series equal to 10ohm 20 ohm 30 ohm. if the potential difference is 240v find total resistance

Answer 1

Answer:

total resistance is 60ohm because as it is connected in series we just have to add them. i dont know why they gave potential difference. but to find current it is required so.

i=v/r

i=240/60

i=4A

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