Question

electrical current is being discussed. technician a states that ac is normally stored in a battery. technician b states that hertz is the number of times per second an ac waveform cycles between positive and negative. who is correct?
select one:
○ a. technician a only
○ b. technician b only
○ c. both technicians a and b
○ d. neither technician a nor b

Explanation:

• Batteries store direct current (DC), not alternating current (AC), so Technician A is incorrect.
• Hertz (Hz) is defined as the number of cycles per second of an AC waveform (how many times it cycles between positive and negative), so Technician B's statement is correct.

Answer:

b. Technician B only