Which of the following is used in places where ion currents are very low?
A. Faraday cup collector
B. Channeltron
C. Micro-channel plate
D. Electron multiplier transducer
Answer:D
Which of the following is used in places where ion currents are very low?
A. Faraday cup collector B. Channeltron C. Micro-channel plate D. Electron multiplier transducer
Explanation: Electron multiplier transducer is used in places where ion currents are very low. Its primary cathode detects ions.