Solving Resistor Circuits Video Lessons

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Problem: The potential difference across the 10 resistor is A. 30 V. B. 20 V. C. 15 V. D. 10 V. E. 5 V.

FREE Expert Solution

Ohm's law:

V=IR

Series equivalent resistance:

Req=R1+R2

Req = R1 + R2 = 10 + 5 = 15Ω

ICIRCUIT  = V/Req = 30/15 = 2 A

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Problem Details

The potential difference across the 10 resistor is 

A. 30 V. 

B. 20 V. 

C. 15 V. 

D. 10 V. 

E. 5 V.

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