Single Answer MCQ
Q-00019336
What is the equivalent resistance of a 10 Ω and a 20 Ω resistor connected in parallel?
1
30 Ω
2
7.5 Ω
3
10 Ω
4
5 Ω
Answer and Solution
Answer
B. 7.5 Ω
Solution:
1/R_total = 1/10 + 1/20 => R_total = 7.5 Ω.
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