internal resistance

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7 Terms

1
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internal resistance

resistance in the source itself

2
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terminal pd

potential difference across the terminals of the source dependent on current taken in from the source

3
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combined resistance formula

E=I(R+r)

4
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potential difference across a power source

V=E-Ir

5
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lost volts

V*r

6
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Rt

r+Rex

7
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y=mx+c

v=-rI+emf