MCQ
In a diode valve the cathode temperature must be ($\phi$ = work function)
- AHigh and $\phi$should be high
- ✓High and $\phi$ should be low
- CLow and $\phi$ should be high
- DLow and $\phi$should be high
✓
Answer
Correct option: B.
High and $\phi$ should be low
b
In a diode value the cathode temperature must be high and $\phi$ should be low.
In a diode value the cathode temperature must be high and $\phi$ should be low.
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