Respuesta :
b) Indirect application method should be used
What is the high-frequency current?
An alternating electric current has a frequency of 10,000 or more cycles per second.
What do we use to measure current at high frequency?
Thermocouple types of instruments can be used for dc and ac applications. They can be used for measurements of small currents and voltages at high frequencies.
Learn more about high-frequency current here
https://brainly.com/question/718153
#SPJ2