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If the dc excitation is reduced will the apparent power increase or decrease?
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If you increase the number of turns in the coil and move a magnet at the same speed will the speed increase or decrease?
no the strength of the magnetic field does not decrease because of the number of coils increases.
What happens to voltage when resistance is increased?
Ohms law is V=I X R. If resistance (R) is reduced and current (I) is constant, then voltage (V) must decrease. You can see from the equation that they are proportional to one another. If, however, R is reduced and V is held constant, then I must increase (I and R are inversely proportional). The only way V can increase is if either or both I and R increase.
What happens when superheated steam pressure is reduced?
steam quality increase
What does not reduce resistance in a copper wire?
-- winding the wire into a coil-- changing its price-- tie-wrapping it to the outside of a conduit-- shining a flashlight on it-- exposing it to loud noises-- changing the color of its insulating jacketResistance will only be reduced by changing the thickness / physical dimensions (15 small wires wound together vs 1 big one, etc.) of the wire, or the wire's temperature. It's apparent impedance can be changed by placing it in an electric field as well.
Why would you want to decrease the power consumption of an integrated circuit?
you would want to decrease the power consumption of an integrated circuit to reduce power needed and at the same time reduce power dissipation meaning it will run cooler if overall power is reduced. With some families of logic circuits the voltage must be maintained at 5 volts for proper applications. The voltage applied determines the power that can be used effectively.
What happen to the apparent power if the DC excitation is reduced?
'Apparent power' is a term used in a.c. circuits, NOT d.c. circuits.
Why does dielectric constant decrease with an increase in temperature?
If the temperature increases, the conductivity will increase too which means the dielectric constant is reduced
If you increase the number of turns in the coil and move a magnet at the same speed will the speed increase or decrease?
no the strength of the magnetic field does not decrease because of the number of coils increases.
What is meant by regulation or an alternator?
Regulation of an alternator is varying or adjusting the d.c. current flow (excitation current) in the revolving field coil to control the output voltage. When an alternator is subject to varying load conditions, and therefore changing load resistance at the output, the output voltage will vary in response. When output voltage is reduced in response to increased load (reduced output resistance), the "voltage regulator" will respond by increasing the excitation current to increase the voltage output. If load is reduced, the generator will momentarily become over-excited and the ouput voltage will increase. The voltage regulator responds by decreasing excitation current, returning the generator output voltage to its nominal level.
What will happen to the pressure inside the container if the volume of a container of gas is reduced?
The pressure inside the container will increase. Pressure (P) is force(F) divided by the area(A) it hits on. If you decrease the area, you increase the pressure.
What charcteristics do an icicle and a plant have in common?
An icicle and a plant have a few characteristics in common. An icicle can increase or decrease in size. Plants can grow (mitotic reproduction) to increase in size and can break to be reduced in size.
What is the amount of decrease if 92 is reduced by 35 percent?
The amount of decrease is 32.2.
A coat was reduced by 56 from the original price of 280 what is the percent of decrease?
This is a 20% decrease in price.
What is percent of decrease or increase?
A percent of decrease (percentage decrease) is when a value is reduced by a percentage of its original amount. e.g. 100 decreased by 15 percent is 85. A percent of increase (percentage increase) is when a value in increased by a percentage of its original amount. e.g. 100 increased by 15 percent is 115.
Which of the following would increase the pressure of a gas?
Lying on an air mattress
Would salinity increase or decrease in an estuary during spring floods?
When the river brings in extra water, such as during periods of flooding, the salinity, or the amount of salt, in the water of the bay will be reduced.
What should happen to the temperature if the kinetic energy is reduced?
It will decrease
