In a semiconductor, current conduction is because of
Electrical Engineering MCQ on Semiconductors In a semiconductor, current conduction is because of Correct answer: 1. Holes and free electrons
Electrical Engineering Mcqs
Electrical Engineering MCQs for competitive tests, job tests, university exams are provided on various Electrical and Electronics topics.
- Basic Electrical Laws and Theorems
- Basic Voltage and Current MCQs
- High Voltage Engineering MCQs
- Induction Motor MCQs
- Power Electronics
- Power Distribution MCQs
- Power Generation MCQs
- Power System Protection MCQs
- Power Transmission and Distribution MCQs
- Semiconductors theory MCQ Questions
- Synchronous Generator MCQs
- Synchronous motor MCQs
- Transformer MCQs
Addition of pentavalent impurity to a semiconductor will result in production of many
Electrical Engineering MCQ on Semiconductors Addition of pentavalent impurity to a semiconductor will result in the production of many Correct answer: 2. Free electrons
The temperature coefficient of resistance for semiconductors are
Electrical Engineering MCQ on Semiconductors The temperature coefficient of resistance for semiconductors are Correct answer: 1. Negative
The material that has a negative temperature coefficient of resistance
Electrical Engineering MCQs on Basic Concepts of EE – Basic Electrical Engineering MCQs The material that has a negative temperature coefficient of resistance Correct answer: 3. Carbon
A rheostat differs from a potentiometer since it
Electrical Engineering MCQs on Basic Concepts of EE – Basic Electrical Engineering MCQs A rheostat differs from potentiometer since it Correct answer: 1. Has higher wattage rating
When electric current passes through a metallic conductor, its temperature rises. That is because of
Electrical Engineering MCQs on Basic Concepts of EE – Basic Electrical Engineering MCQs When electric current passes through a metallic conductor, its temperature rises. That is because of Correct answer: 1. Collisions between conduction electrons and atoms
Two resistors are said to be connected in series when
Electrical Engineering MCQs on Basic Concepts of EE – Basic Electrical Engineering MCQs Two resistors are said to be connected in series when Correct answer: 2. Same current passes in turn through both
SI unit of power is – Electrical Engineering MCQs
Electrical Engineering MCQs on Basic Concepts of EE – Basic Electrical Engineering MCQs SI unit of power is Correct answer: 3. Watt
Heat in a conductor is produced on the passage of electric current because of
Electrical Engineering MCQs on Basic Concepts of EE – Basic Electrical Engineering MCQs Heat in a conductor is produced on the passage of electric current because of Correct answer: 4. Resistance
Bulbs in street lighting are all connected in
Electrical Engineering MCQs on Basic Concepts of EE – Basic Electrical Engineering MCQs Bulbs in street lighting are all connected in Correct answer: 2. Parallel configuration