Two resistors are connected in parallel, one R1 = 75 ohm, the other R2 = 300 ohm. Calculate total resistance
July 24, 2021 | education
| Given: R1 = 75 Ohm, R2 = 300 Ohm.
Find: Rtot.
Solution:
When the conductors are connected in parallel, the formula for finding the total resistance applies: Rtot = R1 * R2 / (R1 + R2),
means:
Rtot = 75 * 300 / (75 + 300) Ohm,
Rtot = 22500/375 Ohm,
Rtot = 60 Ohm.
Answer: Rtot = 60 Ohm.
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