Electrical Engineering MCQs for competitive tests, job tests, university exams are provided on various Electrical and Electronics topics.
Electrical Engineering MCQs on SCR Part 2 The SCR is The SCR is: Correct answer: 1. Current triggered device An SCR behaves as An SCR behaves as: Correct answer: 1. Unidirectional switch If gate current is increased, then anode-cathode voltage at which SCR closes will If gate current is increased, then anode-cathode voltage at which … Read more
Electrical Engineering MCQ on Electronics A MOSFET can be operated with Correct answer: 3. Any of above
Electrical Engineering MCQ on Electronics The charge carriers in a p-channel JFET are Correct answer: 2. Holes
Electrical Engineering MCQ on Electronics A JFET has: Correct answer: 2. Very high power gain
Electrical Engineering MCQ on Electronics As compared to ordinary transistor, the input impedance of a JFET is: Correct answer: 2. More
Electrical Engineering MCQ on Electronics A MOSFET differs from a JFET mainly, that is because Correct answer: 1. JFET has a PN junction
Electrical Engineering MCQs on Transformer During short-circuit test of transformer, which winding of transformer is short-circuited: Correct answer: 1. Low voltage winding Explanation: During short-circuit test the low-voltage winding of transformer is short circuited and measurements are carried out on high-voltage winding. Also see: Short circuit test on transformer
Electrical Engineering MCQ on Basic Concepts The resistivity of semiconductor depends upon its: Correct answer: 4. Atomic structure Also see below: Fundamentals of semiconductors
Electrical Engineering MCQ on Basic Concepts Number of free electrons and holes in intrinsic semiconductor increase when the temperature: Correct answer: 1. Increases See below Intrinsic Semiconductors:
Electrical Engineering MCQ on Basic Concepts Number of valence electrons in trivalent impurity are: Correct answer: 1. 3 Also see below: Difference between Intrinsic/Extrinsic semi-conductors