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The gate-source voltage is Es = 16 V and the load line has a slope of 128 V/A. Calculate the gate current for an average gate power dissipation of 0.5 W.

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The gate-source voltage is Es =  16 V and the load line has a slope of 128 V/A. Calculate the gate current for an average gate power dissipation of 0.5 W.

(a) 62.5 mA

(b) 100.25 mA

(c) 56.4 mA

(d) 80.65 mA

This question was addressed to me during an interview.

I would like to ask this question from Thyristors-4 in portion Power Electronics Devices of Power Electronics

1 Answer

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by (45.1k points)
Correct choice is (a) 62.5 mA

To explain I would say: Load line is nothing but Rs

Es = 16V

Vg.Ig = 0.5

Rs = 128

We have Es = Ig x Rs + Vg.

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