The efficiency of an electrolytic rectifier is approximately
The efficiency of an electrolytic rectifier is approximately Correct answer: 2. 0.6
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
A pony motor is used for the starting
A pony motor is used for the starting Correct answer: 4. Synchronous motor
In a rotary converter armature currents are
In a rotary converter armature currents are Correct answer: 3. Partly AC and Partly DC
A neutral atom is one having an equal number of protons and electrons
Also see complete list of Electrical Engineering MCQs A neutral atom is one having an equal number of protons and electrons Correct answer: 2. TRUE
The leakage current across a pn junction is because of
Also see complete list of Electrical Engineering MCQs The leakage current across a pn junction is because of Correct answer: 3. Minority carriers
The ripple factor of a half-wave rectifier is
Also see complete list of Electrical Engineering MCQs The ripple factor of a half-wave rectifier is Correct answer: 2. 1.21
If arrow of crystal diode symbol is positive with respect to bar, then diode is
Also see complete list of Electrical Engineering MCQs If arrow of crystal diode symbol is positive with respect to bar, then diode is Correct answer: 2. Forward biased
Polyphase circuits are characterized by two or more sinusoidal voltages, each having a different phase angle
Also see complete list of Electrical Engineering MCQs Polyphase circuits are characterized by two or more sinusoidal voltages, each having a different phase angle Correct answer: 2. TRUE
BJT Transistor Current Formulas – Base, Emitter and Collector Currents
In order for a BJT to operate as an amplifier, the base-emitter junction must be forward-biased and the base-collector junction must be reverse-biased. This is called forward-reverse bias. Also: BJT MCQ Quiz The three currents in the BJT transistor are the base current (IB), emitter current (IE), and collector current (IC). The correct mathematical relationship … Read more
The correct relationship between currents in a transistor
Also see complete list of Electrical Engineering MCQs The correct relationship between currents in a transistor Correct answer: 4. IE = IC + IB