Electric Potential, Voltage, and Capacitance (4C)
Chem & Physics · Flashcards
CHEM & PHYSICS · FLASHCARDS
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QUESTION
State the relation between electric field and electric potential in one dimension.
QUESTION
What is the SI unit of capacitance?
QUESTION
How does inserting a dielectric with constant
κ
\kappa
κ
change parallel-plate capacitance?
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ANSWER
C
=
κ
ε
0
A
d
C=\kappa\frac{\varepsilon_0A}{d}
C
=
κ
d
ε
0
A
. Dielectric insertion reduces the effective field, increasing capacitance by the factor
κ
\kappa
κ
.
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