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1. |
The amplification factor of a triode is 50. If the grid potential is decreased by 0.20 V, what increase in plate potential will keep the plate current unchanged [RPMT 1999] |
A. | 5 V |
B. | 10 V |
C. | 0.2 V |
D. | 50 V |
Answer» C. 0.2 V | |