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Because the gearing between the load and the electrical motor gives a large mechanical advantage to the motor end of the linkage. Electrical motors have relatively lightweight rotors which rotate very fast. Gears take this low power but speedy input and leverage it to become slower and more powerful, similar to how any lever proportions force input versus output based on the ratio of lengths between the lever arms.
This same imbalance between forces and speed explains why cars need transmissions. The motor rotates very fast and the wheels rotate much more slowly. Cars with manual transmissions can be parked on hills without any parking brake if they are left in gear, the lower the better, which will not roll away due to the same principle.
What else can I help you with?
What is iron loss?
Iron losses (Pi) are independent of of load which occur due to pulsation of flux in the core. Iron losses include both Hysteresis loss and eddy current loss and is same at all the loads.
Why iron loss is constant but copper loss is variable in a transformer?
Iron loss it includes the core loss is partically the same at all loads and copper loss the value of cu loss is found from short circuit test
What is percent of power loss at 415 volts against 11000 volts?
Power = voltage times current, and the power loss is the loss in the line, I^2 * R. At 11,000 volts, the current will be (11,000 / 415 = ) 3.77% of what it is at 415 volts. So the power loss in the line at 11,000 volts will be (3.77% ^2 = ) .14% of what it is at 415 volts.
2003 Chevrolet Silverado loss of power?
What does reduce engine power means?
How does Lenz's Law explain power loss in transformers?
It doesn't, really. The power loss in transformers is broken down into copper loss and iron loss. The copper loss comes from the resistance of the windings in the transformer and depends on the load current, while the iron loss in the magnetic core depends on the magnetic flux density and is constant if the supply voltage is constant.
Which conflict resulted in the loss of political power for the Catholic Church?
Wingardium Leviosa caused the Kings to fall and corruption began due to the loss of political power by the Catholic Church.
Why are whooping cranes endangered?
Whooping cranes are endangered primarily due to habitat loss, hunting, and collisions with power lines. Their low reproductive rate and sensitivity to disturbance also contribute to their endangered status. Conservation efforts are underway to protect and increase the population of whooping cranes.
Does biotin work for hair loss?
Yeah it helps loads
What is iron loss?
Iron losses (Pi) are independent of of load which occur due to pulsation of flux in the core. Iron losses include both Hysteresis loss and eddy current loss and is same at all the loads.
Which two events directly led to Napoleon's fall from power?
The continued guerilla warfare in Spain and the major loss in Russia.
What does the code Memory Standby Power Loss mean?
Perhaps battery charge is too low to maintain parasytic loads i.e. Computer memories, clock, radio stations, etc.
How would a spaceship fall out of the sky?
A spaceship can 'fall' from the sky if it loses power , fails to maintain orbital velocity , loss of ship's controls and/or the ship is caught by the gravitational field of the planet , etc . . .
Why iron loss is constant but copper loss is variable in a transformer?
Iron loss it includes the core loss is partically the same at all loads and copper loss the value of cu loss is found from short circuit test
Will transformer heating be approximately the same for resistie inductive or capacitive loads of same VA rating?
Yes because the transformer heating (power losses) depend on the load current and the load voltage. It can be assumed that the voltage stays more or less constant, therefore the iron loss is also constant. The copper loss depends on the square of the load current. So it is the VA of the load that determines the power loss and any heating.
Why no power loss in pure inductance?
An inductor is a device which stores energy as a magnetic energy.... Ideal inductor have no resistance.....so there is no power loss.... power loss = (I*I)*R
What is the power loss in dB?
Power loss in dB is a measure of how much power is lost in a signal as it travels through a medium or a system. It is calculated using the formula: Power loss (dB) = 10*log10(P1/P2), where P1 is the initial power and P2 is the final power. The higher the power loss in dB, the more power is lost in the signal.
Why is there a Loss of power 2002 grand caravan?
the catalyser can couse loss of power problems if its deteriorated
