410 Answered Questions for the topic electrical engineering
Electrical Engineering
07/21/19
Which tool can be used to create very clean wiring schematics for illustrative purposes?
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Electrical Engineering
07/18/19
If a circuit has a voltage of 400 V and a resistance of 80 Ω, what is the current?
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Electrical Engineering
07/10/19
A rectangular block of iron has a cross section of 1.2 cm x 1.2 cm * 15 cm. What is the resistance of the opposing square ends? What is the resistance between two of the rectangular faces?
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07/03/19
Electrical energy
The question is " What is the value in KWh for a 300W lamp in 40 minutes? The ans for this question is 0.2kWh but i couldn't do it.
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Electrical Engineering
06/30/19
If a circuit has a resistance of 18 Ω and a current of 15 A, what is the voltage?
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Electrical Engineering
06/28/19
Why is BJT transistors are faster than MOSFET?
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Electrical Engineering
06/25/19
What is the voltage of a circuit with power 36 W and current 4.5 A?
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Electrical Engineering
06/22/19
A spring-block oscillator oscillates with a frequency of 2.5 Hz. What is its period?
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Electrical Engineering
06/20/19
A hair dryer draws 7.0 A when plugged into a 120-V line. What is its resistance? How much charge passes through it in 12 min (Assume direct current)?
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Electrical Engineering
06/20/19
A parallel-plate capacitor is connected across a potential difference of 40.0 V and stores 360.0 μC of charge. What is the capacitance of the capacitor?
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Electrical Engineering
06/20/19
Which method is best in solving an electrical circuit?
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Electrical Engineering
06/19/19
What is the function of the resistor in a resistive circuit?
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Electrical Engineering
06/19/19
A steel tube, which is closed at both ends, is filled with air. If the next harmonic frequency is 60 Hz, what is the fundamental frequency?
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Random renewable energy question
So i randomly started thinking of whether or not we could replace coal burning power plant with hydrogen burning plant after separating H2O sourced from desal plants.Yup, random and theres way too...
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Electrical Engineering
06/12/19
What is the resistance of a toaster if 120 V produces a current of 3.3 A?
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Electrical Engineering
06/11/19
A parallel-plate capacitor is connected across a potential difference of 10.0 V and stores 5.0 C of charge. The capacitor has a plate separation of 1.00 mm. What is the area of the plates?
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Electrical Engineering
06/08/19
What is the electric potential created 1.8 meters away from a point charge of .0035C (Estimate k as 9.00 × 10^9)?
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Electrical Engineering
06/05/19
How much energy is needed to move one electron through a potential difference of 1.0 x 10^2 volts? Remember that the charge of an electron, e, is 1.6 x 10^-19 C?
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Electrical Engineering
06/04/19
A machine does 40J of work in 10 seconds. How much power is that?
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Electrical Engineering
06/04/19
Why is it a single phase rating in kVA?
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Electrical Engineering
06/02/19
What is the voltage of a circuit with power 12 W and current 2 A?
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Electrical Engineering
06/01/19
Why does the output of the op-amp reach a limit and saturate regardless of the gain?
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Electrical Engineering
06/01/19
What purpose do diodes that do not emit light serve in electric circuits?
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Electrical Engineering
05/26/19
Why do we need to find an operating point in the DC analysis of any transistor-based circuits?
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Electrical Engineering
05/24/19
Why are axillary contactors required in starters?
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