Electronic Devices and Circuits - Section 5 Question & Answers

Electronic Devices and Circuits - Section 5 Question & Answers A JFET operates in ohmic region when A. VGS = 0 B. VGS is less than pinch off voltage C. VGS = is Positive D. VGS = VDS - ANSWER: B A P-N junction offers A. high resistance in forward as well as reverse direction B. low resistance in forward as well as reverse direction C. conducts in forward direction only D. conducts in reverse direction only - ANSWER: C A varactor diode is A. reverse biased B. forward biased C. biased to breakdown D. unbiased - ANSWER: A Addition of a small amount of antimony to germanium will result in A. formation of P-type semiconductor B. more free electrons than holes in the semiconductor C. antimony concentrating on the edges of the crystals