Two resistors R1 and R2 are connected in parallel, R2 being greater than R1. The combined resistance is
A. less than R1
B. greater than R2
C. the sum of R1 and R2
D. the difference of R2 and R1
E. greater than R1 but less than R2
ANSWER: Option A
EXPLANATION: Simple! Apply a simple test, rep R1 by a number and R2 by a number but take note of their relationship as said in the question. Then, find their combined resistance and arrive at your answer.
And note that this is a parallel arrangement.
1/Rtotal = 1/R1 + 1/R2
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His Name is Tiamiyu Abdulbazeet Olawale. He is a student at the University of Ilorin studying Electrical and Electronics Engineering. He likes to give latest updates about institutions in Nigeria as he aims at helping people to lay their hands on the right information.