Electrostatics and Electric Fields (4C)
Chem & Physics · Flashcards
CHEM & PHYSICS · FLASHCARDS
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QUESTION
Find the net electric field at the midpoint between charges
+
Q
+Q
+
Q
and
−
Q
-Q
−
Q
separated by
2
d
2d
2
d
(direction only).
QUESTION
State the superposition principle for the net electric field from multiple charges.
QUESTION
What is the SI unit of electric potential
V
V
V
?
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ANSWER
Volt (V) =
J/C
\text{J/C}
J/C
. The volt equals one joule of energy per coulomb of charge.
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