Superconductors
A) have no electrical resistance.
B) have very little electrical resistance.
C) are used in making transistors.
D) have no practical applications.
Correct Answer:
Verified
Q2: A positive electric charge
A)attracts other positive charges.
B)repels
Q3: Protons and electrons have different masses.When they
Q5: The charge on an electron
A)is l C.
B)depends
Q7: A kilowatt hour is a unit of
A)
Q8: The particle easiest to remove from an
Q9: When a rubber rod is stroked with
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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