Basic Electrical Engineering MCQs Part 2
Basic Electrical Engineering MCQs Part 2
Contents
A kettle is rated 230 V, 20 kW AC. The value 230 V is
A kettle is rated 230 V, 20 kW AC. The value 230 V is:
- Average Voltage
- Peak Voltage
- RMS Voltage
- None of the above
Correct answer: 3. RMS voltage
For same peak value which of the following wave will have the highest RMS value
For same peak value which of the following wave will have the highest RMS value:
- Triangular wave
- Sine wave
- Square wave
- Half wave rectified sine wave
Correct answer: 3. Square wave
Which of following element has unity power factor
Which of the following element has unity power factor:
- Inductance
- Capacitance
- Resistance
- Both 1 and 2
Correct answer: 3. Resistance
Which of the following is correct regarding the time period of a waveform
Which of the following is correct regarding the time period of a waveform:
- It is same as frequency
- It is expressed in amperes
- It is defined as the time required to complete one cycle
- None of these
Correct answer: 3. It is defined as the time required to complete one cycle
The voltage level of domestic supply at our homes is 230 V. The figure 230 is
The voltage level of domestic supply at our homes is 230 V. The figure 230 is
- Mean value
- Peak value
- RMS Value
- Average value
Correct answer: 3. RMS value