Multiple Choice
Direct electric current cannot be used to operate
A) electric motors.
B) electric heaters.
C) electromagnets.
D) transformers.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q12: A negative electric charge<br>A) interacts only with
Q13: Superconductivity occurs in certain substances<br>A) only at
Q14: A current-carrying loop in a magnetic field
Q15: Atoms and molecules are normally<br>A) electrically neutral.<br>B)
Q16: A molecule that has lost an electron
Q18: An electric iron draws a current of
Q19: Which of the following statements is not
Q20: The nucleus of an atom<br>A) contains most
Q21: A current is flowing south along a
Q22: The electric energy stored in a 6-V