At which of the following frequencies is the magnetic field at the sample modulated?
A. 1 kHz
B. 10 kHz
C. 100 kHz
D. 1000 kHz
Answer:C
At which of the following frequencies is the magnetic field at the sample modulated?
A. 1 kHz B. 10 kHz C. 100 kHz D. 1000 kHz
Explanation: The magnetic field at the sample is modulated at 100 kHz. The magnetic field is kept at maximum.