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The voltage across three parallel resistors of 15 ohms, 12 ohms, and 10 ohms having 10 A of current entering the circuit is

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The voltage across three parallel resistors of 15 ohms, 12 ohms, and 10 ohms having 10 A of current entering the circuit is:

  1. 10 V
  2. 20 V
  3. 30 V
  4. 40 V

Circuit Diagram:

the-voltage-across-three-parallel-resistors-of-15-ohms,-12-ohms,-and-10-ohms-having-10-a-of-current-entering-the-circuit-is

Solution:

There are multiple solutions that can be applied. However, finding equivalent resistance and then using Ohm’s law is the simplest approach:

R(eq) = 1/((1/15 Ω) + (1/12 Ω) + (1/10 Ω)) = 4 Ω

V = IR = 4 Ω * 10 A = 40 V

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