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Class 10 Science Medium Mcq English Medium

Three resistors of 5, 10 and 30 ohm are connected in parallel. The equivalent resistance is:

Question
Three resistors of 5, 10 and 30 ohm are connected in parallel. The equivalent resistance is:
3 ohm
15 ohm
45 ohm
1/3 ohm
Answer
3 ohm
Detailed Explanation
1/Rp = 1/5+1/10+1/30 = 6/30+3/30+1/30 = 10/30 = 1/3, so Rp = 3 ohm.
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