The drawing shows three different resistors in two different circuits. The batte

Question

The drawing shows three different resistors in two different circuits. The battery has a voltage of V = 21 V, and the resistors have resistances of R1 = 50.0 ?, R2 = 25.0 ? and R3 = 10.0 ?. Determine the current through and the voltage across each resistor.

The drawing shows three different resistors in two different circuits. The battery has a voltage of V = 21 V, and the resistors have resistances of R1 = 50.0 ?, R2 = 25.0 ? and R3 = 10.0 ?. Determine the current through and the voltage across each resistor.

Explanation / Answer

a)

a)I1 = 21 / 85 = 0.247 A
I2 = 21 / 85 = 0.247 A
I3 = 21 / 85 = 0.247 A
`V1 = 0.247 * 50 = 12.35 V
V2 = 0.247* 25 = 6.175 V
V3 = 0.247 * 10 = 2.47 V
ANSWER
b)

I1 = 21/50 = 0.42A

I2 = 21/25 = 0.21 A

I3 = 21/10 = 2.1 A

V1 = 21V
V2= 21V
V3= 21V

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