Electrical Engineering

You can use a voltage regulator IC/transistor that can take any input voltage (to a point) and spit out whatever voltage you want, depending on your application (in this case 380 volts) then be sure you build a regulator with the correct IC/transistor.

Hope this helps!

The charging and discharge time increases. R*C=T

Power factor is determined by the nature (resistive, inductive, capacitive) of a load, not whether it is a low load or a high load.

If, by 'one piece', you mean solid -as opposed to laminated- then the answer is that a solid core will have significantly-higher eddy current (circulating current) losses than a solid core.

There is such a thing as a three phase to earth fault, so maybe this is what you mean by a "balanced earth fault". I don't believe any earth or ground currents would flow in this case. A restricted earth fault is a typical phase to earth fault, where the zone of protection is restricted to a specific area, such as around a transformer. "Restricted" is referring to the protection method, not what is actually going on with the currents and voltages.

0.01 siemens.

You get power by multiplying the amperes and the voltage. 12V, 10A dc would give the same power as 120V, 1A ac.

Mutual inductance describes the process by which a changing current in one coil, creates a changing magnetic flux which, when it links with a second coil, induces a changing voltage into that coil.

When the secondary of a transformer is opened, there is no longer any load on the transformer. There will be some current flowing in the primary winding, which is needed to induce the voltage in the secondary. This primary current is referred to as the "no load" current, and is indicative of the core losses in the transformer.

Oh, VERY MANY! For example, a cord wrapped with rubber would be quite deadly. A light bulb that was incandescent would probably not produce light at all.

It depends on the type of application. However AC Synchronous motor is known to be used for specific textile equipment owing to its constant speed characteristic

More appliances means more load are being added, which necessariliy increases the current.

I assume you meant pressure to voltage.

The resistance of a conductor is directly proportional to the temperature of the conductor. If the temperature of the conductor increases due to increased current, then the resistance tend to increase too.

If it's a silicon zener diode, it conducts in the reverse direction after the rated voltage is reached. Otherwise, it only conducts in the forward bias direction.

When you do a load test on a 3-phase induction motor you are checking the power factor, viz slip, and efficiency of the motor. You can test various loads with this test.

It is usually 240. Two lines enter your house, carrying 120 volts each, but they are out of phase by 180 degrees, so the two combined entering your house provide 240 volts, which is necessary for powering central air conditioning systems. You also have the option of powering everything else in your house with 120 volts because of the phase difference of 180 degrees without the need of a 2:1 turns ratio transformer in your house. You breaker box in you basement is wired to take advantage of this phase difference, supplying the 240 and 120 volt sources to the places that they are needed. This is a huge advantage of AC power.

One ohm is a particular reading on the ohms scale of a multimeter. It corresponds, per Ohm's Law, to the resistance that a current of one ampere would cause a potential difference of one volt across. (Or one millampere and one millivolt, however it happens to scale.)

Only if you connect then in series.

RSERIES = Summation1toN (RN)

RPARALLEL = 1 / Summation1toN (1 / RN)

zero

Lattice steel tower consist of:-

1- Main members.

2- Bracing members.

3- Redundant members.

Steel Bracing is the connection between main members of lattice steel tower.

Parallel circuit.

A spike is a sudden rise in current that then goes back to normal. Usually caused by a sudden increase in voltage that could be caused by a lightening strike, for example.