Question

Find the potential difference at R2 if V = 10 V, R1=87 ohms and R2 =...

Find the potential difference at R2 if V = 10 V, R1=87 ohms and R2 = 44 ohms

Write answer with two decimal places without the unit inside the answer box

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Homework Answers

Answer #1

You didn't mention that resistance were either in parallel or in series...

First I consider them in parallel...

When they are in parallel , the potential will be equal across both resistor and equal to 8 Volt.

Second case Now I am going to consider them in series...

When they are in series then equivalent resistance is R = R1 + R2

R = 87 + 44

R = 131ohm

Current I = V/R= 10/131

I = 0.076 amp

Voltage across R2

V2 = I × R2

V2 = 0.076 × 44

V2 = 3.36 voltage

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