When an electric current flows through a wire with resistance, energy is
A) liberated as x-rays.
B) liberated as heat.
C) liberated as light.
D) absorbed as heat.
Correct Answer:
Verified
Q7: Electric potential is measured in
A)coulombs.
B)joules.
C)volts.
D)ohms.
Q8: If a DC circuit is
A)in series, the
Q9: Resistance is
A)the opposition to the flow of
Q10: An ampere is
A)coulomb/sec.
B)(coulomb)(sec).
C)(volt)(ohm).
D)ohm/volt.
Q11: Electric insulators
A)convert electrical energy into heat.
B)consist of
Q13: A charge would lose most of its
Q14: When the atomic valence and conductance bands
Q15: Coulomb's law of electrical forces is mathematically
Q16: If 20 volts of potential difference causes
Q17: The unit of electrical power is
A)joule.
B)volt.
C)ampere.
D)watt.
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