Question

For a power transistor, if the forward current gain α = 0.97, then β = ?

(a) 0.03

(b) 2.03

(c) 49.24

(d) 32.33

This question was addressed to me in examination.

I'm obligated to ask this question of Power Transistors-2 topic in section Power Electronics Devices of Power Electronics

Answer 1

Correct answer is (d) 32.33

Best explanation: Use the relation α = β/(β+1).