Q. The grid in a triode valve is used
A) To increases the thermionic emission
B) To control the plate to cathode current
C) To reduce the inter-electrode capacity
D) To keep cathode at constant potential
Explanation
The correct answer is Option B: To control the plate to cathode current.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.