Question
Question: The amplification factor of a triode valve is 15. If the grid voltage is changed by 0.3 volt the cha...
The amplification factor of a triode valve is 15. If the grid voltage is changed by 0.3 volt the change in plate voltage in order to keep the plate current constant (in volt) is
A
0.02
B
0.002
C
4.5
D
5.0
Answer
4.5
Explanation
Solution
μ=ΔVgΔVp⇒ΔVp=μΔVg =15 × 0.3 = 4.5 volt.