Leakage Current & Thermal Runaway Concept - MCQs with answers
Q1. The collector to base current with emitter open circuit configuration in CB mode is extensively dependent on temperature as a result of ________. a. thermally generated minority carriers
b. thermally generated majority carriers
c. thermally generated majority as well as minority carriers
d. none of the above
View Answer / Hide Answer ANSWER: a. thermally generated minority carriers
Q2. The phenomenon of thermal runaway occurs due to maximum and simultanous increase in power dissipation and _________ beyond safe operating value which ultimately results in causing damage to transistor.a. Collector Current
b. Emitter Current
c. Base Current
d. All of the above
View Answer / Hide Answer ANSWER: a. Collector Current
Q3. What is the value of base current if the common base circuit configuration offers an emitter current of 3 mA, collector current of 1.5 mA along with the reverse saturation current is 11 mA?a. 1.5 mA
b. 3 mA
c. 0.15 mA
d. 0.20 mA
View Answer / Hide Answer