A) both the grid and anode are negative
B) both the grid and anode are positive
C) grid is positive and anode is negative
D) grid is negative and anode is positive
Correct Answer: B
Solution :
Key Idea: Grid controls the current in the plate circuit. Triode valve consists of a cathode, grid and anode. When current is passed in the filament by connecting it to a battery, the filament is heated and it heats up the cathode, so electrons start emitting from the cathode. Anode plate is connected to the positive terminal of aYou need to login to perform this action.
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