germanium p-n junction diode is connected to a battery with milliammeter in series .what should be minimum voltage of battery so that current may flow?
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Answer:
0.3 volt
Explanation:
The internal potential barrier of germanium is 0.3 V, therefore to overcome this barrier the potential of battery should be equal to or more than 0.3 V to flow current in the circuit. Therefore, the minimum voltage of battery = 0.3 V in order to flow current
Answered by
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The minimum voltage of battery so that current may flow is 0.3V.
- Fo the conduction of current, the external battery source must overcome the barrier potential at the p-n junction.
- Thus the value of voltage of battery should be greater than or equal to the barrier potential.
- For germanium the barrier potential is equal to 0.3V.
- The minimum voltage of battery for the flow of current is thus, 0.3V.
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