Question

41. the effective resistance of a
parallel combination of a two
resistance of 30 ohm and 60 ohm is______

a) 90ohm
b) 2ohm
c) 29ohm
d) 1800ohm​

Answer 1

1/Rp=1/30+1/60

1/Rp=2+1/60

1/Rp=3/60

Rp=60/3=20

resistance is 20 ohm

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Answer 2

answer

b) 20 ohm is a right answer

Explanation:

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