MCQ
Water has maximum density at
- A$0°C$
- B$32°F$
- C$-4°C$
- ✓$4°C$
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${I_p} = 0.125\,{V_p} - 7.5$
If on applying $-3 $ volt potential at grid and $ 300 V$ potential at plate, the plate current is found to be $ 5mA$ , then amplification factor of the triode is