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Electrical Engineering
Electrical engineering is a field of engineering that deals with the study and application of electricity, electronics and electromagnetism.
23,056 Questions
GFI
When checking a load what must be done with cases that say mixed on them?
When checking in a load, what must be done with cases that say "Mixed" on them
A motor in science means that is tranfers electrical energy in to movement energy
I think you mean operation overlord??? It is the American, Canadian and British offensive on Europe in World War 2. They landed in Normandy on 6th June 1944 (Commonly called D-Day, Day of Days or Deliverance Day) and progressed throughout France liberating Paris on the 25th August. This allowed the allies a foothold in Europe.
Preguntale al maestro de motores 2 el chamo
This phase is when the Brain prepares to absorb food, and the saliva production increases
What is an alternating current transmitted at high voltages but usually at low voltages?
I assume you mean "Why" rather than "What". Simply stated, there are fewer transmission losses using high voltage, so the large power lines run at high voltage, but for home use, high voltage would be dangerous and would require considerably more insulation, so it is stepped down to about 115V RMS (root mean square average) for home use. Fewer people get killed and fewer houses burn down that way.
Why ceiling rose is used in electric circuit?
A ceiling rose is the name given to an enclosed terminal block which enables a suspended lamp to be connected to a residence's permanent wiring. It also provides a means of gripping the flexible cable to support the weight of the light fitting.
How many percentage leakage current allow?
The maximum allowable leakage current for any electrical device is 0.5 mA. This is equivalent to 0.5% of the rated current. This is a safety requirement to ensure that any current leakage is minimal and will not cause any harm to the user or damage to the device.
- Maximum allowable leakage current: 0.5 mA
- Equivalent to 0.5% of the rated current
It is important to adhere to the safety requirements to ensure the safety of users and the protection of the device.
What would happen to the output of an ac generator if one of the stator windings has open?
There would be a significant decrease in the output of the generator. Depending on the type of generator, it could stop working altogether.
The armature has the stationary (not physically moving) magnetic field, which attracts the magnetic field in the rotor. Since DC does not alternate, a split ring is used to alternate the current (and resulting magnetic field), so that the rotor will spin.
the computer is what runs the car and all the engine functions, you can change the functions of the engine to get more power by buying a performance programmer and downloading the program into the cars computer.
theres your answer :)
On an electric bill, kVA stands for "kilovolt-ampere", which is a unit of apparent power. It measures the total electrical power, both real and reactive, that is consumed by a device or a facility.
It represents the maximum power that the electrical system can support and is used by utilities to determine the capacity requirements for supplying electricity to a customer. The actual power consumption in kilowatts (kW) is often lower than the apparent power in kVA due to the presence of reactive elements, such as inductive loads, which cause the power factor to be less than 1.
The barrier potential is not a voltage created inside the diode. instead, it refers to the depleted zone around the juncture.
Since this region is deplete from carriers (electrons or holes), it became a virtual isolator. In order to make the depleted zone conductive, you need to apply an external voltage to the diode terminals.
If the voltage is in forward bias (+ to the anode and - to the cathode), you will need 0.2/0.3 V for germanium diodes and 0.6/07 V for silicon diodes. You need an external diode to keep the forward current with safe limits.
If the voltage is in reverse mode (- to the anode and + to the cathode), you will need to apply much more voltage to achieve conduction, although this could permanently damage the diode. Zenner diodes, for instance, always work in reverse bias to create a stable voltage, which is used for regulation purposes.
What is the resistance of human skin?
Measurements and research from various sources tell us that
-1mA is the sensibility threshold.
-5mA to 10mA hurts.
-40mA causes heart disturbance.
-60mA to 100mA is lethal.
These are reactions of a healthy human body. Much lower currents could be lethal for persons with heart malfunctions, pacemakers or other implanted electronic devices.
See related links for my source.
The resistance of human skin is highly variable depending on several different variables, but the two main variables are whether the skin is clean or dirty. Clean skin often has a resistance of about 500 ohms. Dirty skin can have electrical resistances of up to several million ohms.
What is the nature of the current voltage graph for an unknown resistor?
Fixed-value resistors are normally manufactured so that they obey Ohm's Law -that is, the ratio of their voltage to current remains constant for variations in voltage, within specified limits. In other words, their resistance value remains constant for variations in voltage. This would produce a straight-line curve when plotted. Devices and materials that do not obey Ohm's Law (e.g. semiconductors, etc.) would produce a curved line.
What is 1010 kva Dg set safety?
1- low lube oil safety 2-water safety 3-temprechar safety any athar safety
How do you get a Qatar electrical license when you need to have that procedure?
Apply for a license from Qatar General Electricity & Water Corporation "KAHRAMAA". It is a test and interview based on the Regulations for the Installation of Electrical Wiring, Electrical Equipment and Air Conditioning equipment. (Based on IEE and BS 7671 ) you can find the regulation, but you have to be in Qatar before applying.
See related link below.
What happens if you add more batteries to a circuit?
Depends on how you add them. Added in series, the voltage will increase, maybe to the point of damaging the LED. If the LED survives, it will shine brighter.
Added in parallell, the LED will shine the same, and will be able to shine longer before draining the batteries.
Why isn't silicon in the connecting wires of electric circiuts?
The primary reason we don't use silicon in wires in electric circuits is because it is not a conductor. Recall that "wires" in electric circuits are conductors, and conductors will allow electric current flow through themselves without a lot of resistance.
Silicon is what we call a semiconductor material. That means it "sorta" conducts, and "sorta" doesn't, depending on the conditions we set up when we manufacture it. There may be other reasons for not using silicon, but next to copper or aluminium, silicon doesn't conduct very darn well.
How do you find the power factor with true and apparent power?
to put out the power fector you have to divided apparent power with true power.
AnswerYou can determine the true power of any load using a wattmeter. To find the apparent power, you use a voltmeter to measure the supply voltage and an ammeter to measure the load current, and multiply the two readings together.
If you then want to go on to find the power factor, then you divide the true power by the apparent power. If you want to find the reactive power you use the following equation:
(reactive power)2 = (true power)2 x (apparent power)2
