Which of the following frequency meters can be used for the measurement of radio frequency?
A. Weston frequency meter
B. Heterodyne frequency meter
C. Electrical resonance frequency meter
D. Any of the above.
Answer:B
Which of the following frequency meters can be used for the measurement of radio frequency?
A. Weston frequency meter B. Heterodyne frequency meter C. Electrical resonance frequency meter D. Any of the above.