The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following_____________?
Correct answer: D. anode drop, cathode drop and arc drop
- A. anode drop and cathode drop
- B. anode drop and arc drop
- C. cathode drop and arc drop
- D. anode drop, cathode drop and arc drop
Explanation
The anode-to-cathode voltage includes the voltage drop near the anode, the cathode drop, and the drop through the arc column. Hence all three components are present.
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