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 ? Express your answer to two significant figures and include the appropriate units.(b) What is the magnitude of the potential difference ΔV24 ? Express your answer to two significant figures and include the appropriate units.(c) What is the magnitude of the potential difference ΔV34 ? Express your answer to two significant figures and include the appropriate units.

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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 ? Express your answer to two significant figures and include the appropriate units.

(b) What is the magnitude of the potential difference ΔV24 ? Express your answer to two significant figures and include the appropriate units.

(c) What is the magnitude of the potential difference ΔV34 ? Express your answer to two significant figures and include the appropriate units.