Electrical Engineering

There five types of surge arrester:

1. Rod gap arrester

2. Horn gap arrester

3. Protector tube or expulsion type

4. Thyrite lighting arrester

5. Gapless arrester or metal oxide arrester

Find the value of capacitor that gives you a zero output current. You can try doing ac analysis on some software or do some hand calculations to get an approximate.

There are many different H3 bulbs that can be used, from a quick google search, ranging in price from a few dollars (the actual bulb) to 15-20. One I found was stating 1550 lumens. My guess is they are not all created equal - more expensive ones may be brighter, or last longer, or a combination of the two (but not necessarily).

Four Basic or Main Parts Of Stator :

1. Yoke(Outer Frame)

2.Main Magnetic Poles

3.Main Field Winding

4.Inter Poles

A piece of wire stretched such that its length increases and its radius decreases will tend to have its resistance increase.

The formula for this is:

R = ρL/A

where ρ = resistivity of the material composing the wire,

L = length of the wire, and

A = area of the conducting cross section of the wire.

It can easily be seen that as area decreases resistance gets higher. In the case proposed the wire length is not reduced as it is stretched to reduce the area, this increases the resistivity as well.

ammeter connect in series in circuit to measure the current, if the Ammeter have a high resistance it would effect the voltage value because there will be a drop voltage over the internal resistance of the Ammeter, so we desgin the ammeters with very low resistance...

When infection or disease causes an excess of CSF in the ventricles, the shunt is placed to drain it and thereby relieve excess pressure

A voltmeter.

In order to calculate the complex power of a circuit, the conjugate of current is used. The Vrms of the circuit is multiplied by the complex conjugate of the total circuit current.

If this is a car generator, 13.6 v is ok.

When used in the context of math, discrete refers to values where there is space on the number line between any two values.

For example, the possible sums of the numbers of two dice are discrete.

Temperature is not discrete.

I believe that when using the term discrete that the numbers on a graph/ Row have to be redivided if possible Discrete means individually recognizable and countable, distinct and separate from the similar items, finite and non-continuous.

the circle diagram of induction motor is used to find the losses and efficiency of induction motor

onan means oil natural air natural which means the oil is natural possible thin vegi oil and the cooling is done by natural air passing

The physical equation governing voltage is V = IR, where V is voltage, I is current, and R is resistance. If V remains constant while R is increased, I or current must decrease. Increasing the resistance in a circuit is simply introducing a material that further resists or impedes the electron flow (current), thus current decreases.

bad connection

1 The pump is clogged and the motor can't start up. Most new energy efficient dishwashers are now fitted with very small motors with no get up go. 2 kill the breaker and pull an inspection. try to turn the motor - OK. Ok - Not more than a dozen other causes to look at now. Get the model number ready and search for "Appliance repairs". There you will find some very helpful help.

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same as decade resitance box but instead of reitances there wil be capacitances

3500W, or 3.5kW

Power is measured in Watts; one Watt is 1 joule of energy converted/used per second. So, 3500 joules a second is 3500 Watts.

An 'eddy' (not 'eddi'!) current is a current that flows in the magnetic circuit (core) of an electrical machine, due to a voltage induced into that core by a changing magnetic field. Eddy currents cause energy losses in electrical machines. To minimise eddy currents and, therefore, their losses, machines use laminated cores which restrict the paths through which eddy currents can flow.

In SI, torque is measured in newton metres (N.m). The percentage torque varies according to the design and specifications of a motor.

first we connect the oscilloscope with the function generator or whatever the source of the input voltage , there will be a wave ,we try to adjust its amplitude using oscilloscope ..and this amplitude will be the peak to peak voltage..putting into consideration how volt/ div while measuring the amplitude

Slip is referred to as the difference between the speed of the rotor and the speed of the rotating magnetic field in the stator of the induction motor.

Speed of the rotor=n(1-s)

Speed of the rotating magnetic field= f/p

A: TO measure the current on any path you will need a very small known resistance in sires and measure the voltage drop across it. If the resistance i not small then inaccuracy of reading will be evident

It monitors the general balanced overloading and has current/time settings. This is determined by the overall protective discrimination scheme.