When a current passes through a resistance, the electric energy that is lost
A) becomes heat.
B) becomes magnetic energy.
C) is returned to the source of the current.
D) disappears.
Correct Answer:
Verified
Q3: A negative electric charge
A) interacts only with
Q4: Which of the following statements is correct?
A)
Q5: When the voltage across a certain resistance
Q6: Ohm's law
A) holds only for metals.
B) holds
Q7: A kilowatt hour is a unit of
A)
Q9: If undisturbed, an electric current in a
Q10: An object has a positive electric charge
Q11: Relative to the electric force between two
Q12: A molecule that has lost an electron
Q13: Coulomb's formula F = KQ1Q2/R2 gives the
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