Electrical Engineering

Florescent tube

The latest song from AC/DC is Shot in the Dark at the time of posting.

A computer display screen in a vehicle providing engine operation reports and or milage and gas useage and other helpful driving information.

The most important parts of the fan are-

1. Motor (Stator and Rotor)

2. Capacitors

3. Triple Capacitors (to control the voltage entering the motor)

4. Reverse Switch

creative, and nice. Yes, if you some how rigged it (the wheel) up to a alternator/generator and into a transformer for home supply. you would have to jack the car up, or prop it up somehow, attach a generator by belt or welding, wire the generator to some capacity and then to an output transformer. Any motor can be made into a generator when attached to a power generation source, such as a alternator. DC MOTORS WILL NOT WORK. POLYPHASE INDUCTION MOTORS WILL NOT WORK AS THEY RELY ON TWO INPUT PHASES TO OPERATE AND CONTAIN NO MAGNETS.

the voltage pushes

A 'pressure coil' is an archaic term for a 'voltage coil' (UK terminology) or 'potential coil' (US terminology), as opposed to the 'current coil' in a wattmeter. This coil is connected in parallel with the supply, while the current coil is connected in series with the load.

Quick answer: So the LEGO models move and can be interacted with. Otherwise it would be a boring model.

power cables under ground rather then overhead.

You need alternating current to operate a transformer. (It does not work with DC). Transformers are required to step up and down the voltage which is required to transport electric energy in an economic way. frequency's of 40 to 400 Hz work fairly well for transformers, and the choice with in this range must have been fairly arbitrairly. But one can imagine that the number 60 is inspired minutes of a clock, wher as the number 50 is inspired by the decimal number counting (a half of 100). By the way 60 Hz is slightly more efficient. A US transformer often has a hard life in Europe. For weight saving the frequency of installations in airplanes are historically 400Hz. Transformers can be much smaller this way.

I have att wireless, by adding anolog to my phone will i be able to see on my monthly statement or on line any incoming Bloked or restricted numbers that were received ???? what does anolog add to a cell phone?

The answer to this depends on the cost of natural gas. In my area, natural gas is about $11 US per 1000 Cubic Feet or basically 1.1 cents per cubic foot. At the same time, electricity in my area is 10.9 cents per kilowatt hour. Neither of these costs include taxes and customer charges so the actual cost is actually higher.

To answer the question though, one kilowatt is the equivalent of 3416 Btu. One cubic foot of natural gas has 1030 Btu per cubic foot. So we need 3416/1030 or 3.3 cubic feet of natural gas. At 1.1 cents per cubic foot that is 3.63 cents of natural gas.

Now if you were using these to heat water, an electric heating element transfers about 98% of it's energy to the water. A natural gas heater only transfers about 65% of it's energy to the water while the rest goes out the flue pipe. So the 1 kilowatt of electricity transfers 3348 Btu to the water. To get the same heating with natural gas would require 3348/.65 or 5150 Btu of natural gas. So 5150/1030 is 5 cubic feet or 5.5 cents of natural gas. Still considerably cheaper than using electricity in my area.

what is the current carrying capacity of 4 core aluminum cable 300m long

A TRIAC is a solid state AC switch. It has three terminals, MT1, MT2, and Gate. Load current passes through MT1 and MT2. In order for it to turn on, the Gate must be greater than MT1, in the same direction as MT2 is to MT1. One way to turn it on is to connect a resistor from MT2 to Gate. To turn it off, connect MT1 to gate.

Once the TRIAC is turned on in a line cycle, it stays on until the end of that line cycle. This behavior can be used to create a dimmer by delaying the point in the cycle where the Gate is triggered.

Note that the gate trigger voltage is not symmetrical. This can lead to a DC bias in the output. One way to resolve this is with a DIAC, which is like a TRIAC, but with the Gate missing - it will conduct in both directions at the same point - used in series with the Gate, it will help balance the TRIAC's symmetry.

dc shunt motor.

it provides constant speed at all loads.

Either a cold plate, used with Peltier, or TEC (Thermo Electric Cooling) or a water block used with water cooling systems.

estimate 1700 watts

Capacitors are used on touch screen technology. mystery of using capacitor in touch screen is the working principle of capacitor .

when you touch the screen the distance between two plates inside screen will change(by pressing) and this will cause the change in capacitance and hence in voltage and this signal fed to processor to process it. and that behind the use of capacitor in touch screen.

1 kW = 1000 W

200 / 1000 = 0.2

So the 200 W bulb is also a 0.2 kW bulb.

0.2 x 30 = 6

So a 200 W bulb uses 6 kWh in 30 hours.

Now all you have to do is find the price of a kWh, and take that times 6.

Dig a small hole and take the cutting edge of a knife and give your

connection to it and close the hole and pour some water.

Kudankulam Nuclear Powerplant is designed to produce 2000 Mega Watts. But can extract up to 4000 Mega Watts at maximum capacity.

The power factor depends on the properties of the load, and if any power factor correction is done it has to happen at the load, so that the current in the transmission lines is reduced. Correcting the power factor at the sending end fails to address the problem.

Geiger Counter

Reverse any two of the lead wires at the motor junction box.

In a three phase connected system, if the loads are not balanced or if one voltage is disconnected due to any reason there will be neutral displacement to a new voltage level (from normal zero voltage). This can increase/decrease voltage in other phases