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In the circuit, transistor has β =60, VBE=0.7V. Find the collector to emitter voltage drop hoe.

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In the circuit, transistor has β =60, VBE=0.7V. Find the collector to emitter voltage drop hoe.

(a) 5V

(b) 3V

(c) 8V

(d) 6V

I have been asked this question during an online interview.

My enquiry is from Problems on AC and DC Analysis topic in division Small-Signal Low-Frequency AC models of Transistors of Electronic Devices & Circuits

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The correct choice is (d) 6V

The explanation is: We know, IC=(VCC-VBE)/RB

By putting the values, we have IC=5.9mA. IE=IC/α. So, IE=5.99mA.

hoe= VCC-RC(IC+IB). We have hoe=6V.

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