A particular green LED emits light of wavelength 5490, &A...
A particular green LED emits light of wavelength 5490, Å, the energy bandgap of the semiconductor material used there is .. h = 6.6 x 10-34 J sec.
2.26 eV
1.98 eV
1.17 eV
0.74 eV
Correct answer is A
From Plank equation, E = hc/λ joule
to convert it into electron volt it will be divided by 1.6 x 10-19.
An amplifier without feedback has a voltage gain of 50, input resistance of 1 kΩ and output re...
In an n-p-n transistor biased for operation in forward active region ...
In a bipolar transistor, which current is largest ...
As compared to an ordinary semiconductor diode, a Schottky diode ...
The word enhancement mode is associated with ...
At very high temperatures, the extrinsic semi conductors become intrinsic because ...
A silicon (PN) junction at a temperature of 20°C has a reverse saturation current of 10 pico Amp...