Solving Resistor Circuits Video Lessons

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Problem: Consider the potential difference between pairs of points in the figure. Suppose that ε = 7.5 V .(a) What is the magnitude of the potential difference ΔV14 ?(b) What is the magnitude of the potential difference ΔV24 ?(c) What is the magnitude of the potential difference ΔV34 ?Express your answers to two significant figures and include the appropriate units.

FREE Expert Solution

Solution steps:

  1. Find equivalent resistance of all resistors
  2. Calculate current using Ohm's law
  3. Calculate potential difference across individual resistors using Ohm's law

For resistors in series,

Req=R1+R2+R3+...

For resistors in parallel,

1Req=1R1+1R2+1R3+...

Ohm's law:

V=iR

Label resistors:

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Problem Details

Consider the potential difference between pairs of points in the figure. Suppose that ε = 7.5 V .
(a) What is the magnitude of the potential difference ΔV14 ?
(b) What is the magnitude of the potential difference ΔV24 ?
(c) What is the magnitude of the potential difference ΔV34 ?
Express your answers to two significant figures and include the appropriate units.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Solving Resistor Circuits concept. You can view video lessons to learn Solving Resistor Circuits. Or if you need more Solving Resistor Circuits practice, you can also practice Solving Resistor Circuits practice problems.

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Based on our data, we think this problem is relevant for Professor Humanic's class at OSU.