An ideal silicon diode dissipates a power of 4 W for a forward dc current of 2A. Bulk resistance of the diode is
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Given :
For silicon diode ,
Power dissipated = 4 watts
The value of forward DC current = = 2 Amp
To Find :
The value of Bulk resistance of the diode
Solution :
Forward Voltage across the diode =
=
= 2.25 volts
∵ The forward breakdown voltage of a silicon diode = 0.6 volts
Bulk resistance voltage = 2.25 - 0.6
= 1.66
Bulk resistance =
=
= 0.83 ohm
Hence, The value of Bulk resistance is 0.83 ohms . Answer
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