Multiple Choice
When a current flows in one direction and then reverses and flows in the opposite direction in the circuit,it is referred to as:
A) direct current.
B) electric current.
C) alternating current.
D) ratification of current.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q10: The quality of the x-ray photons is
Q11: Which of the following is used in
Q12: All of the following are parameters of
Q13: If a radiograph is described as "underpenetrated,"
Q14: Which of the following removes the long,nonpenetrating
Q15: If the useful beam is not centered
Q16: The quantity of x-ray photons produced is
Q17: X-rays are produced by impulses and not
Q18: Pointed,plastic cones are not used in dental
Q19: When the alternating current is supplied to