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Which is less costly in the long run batteries or electric motors?
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Are electric motors easier to maintain than gasoline motors?
Electric motors are generally easier and less expensive to maintain than gasoline motors for cars. Electric motors are more efficient and cleaner. There is a battery that needs to be replaced every three years, but there are no other spare parts.
How does an electric motor compare to a petrol motor?
electric produce less pollution, while up until now aren't as fast as petrol motors
Why can't we make electric cables using silver?
its too costly and less available to manufacture miles long cables.
Does a 5 hp electric motor draw less amperage if it is not doing 5 hp of work?
All motors draw less current when their load reduces.
What is a good idea for a kids business?
Radio controlled warships. Hulls can be made of plastic, fiberglass or wood. Minimum length of the vessel should be no less than 24" (2 feet) so your hands can fix/repair/adjust the electric motors/batteries/wires/ballast inside the hull. Radio controlled warships are safe, they can't injure anyone, because they don't move fast enough & electric motors don't make noise.
What is an electric car?
An electric car uses a battery-powered electric motor to drive the vehicle. Rechargeable batteries are used to provide power to the controller. The purpose of an electric car is to provide significantly less pollution into the air.
Why are electric motors more efficient than combustion engines?
electric motors lose very little power from friction, they also make more torque at a lower rpm than gas engines, they also require little maintenance and pollute less.
Give three reasons why AC three-phase system is used universally in the electricity public utility supply?
1. 3 phase is more efficient for electric motors. 2. Electric motors start easier with 3 phase. 3. Less current draw 4. Less heat is produced that is waste.
What is the price differences between electric motors and gas motors?
There are electric motors and gasoline engines. Motors are significantly cheaper than engines and are less complex, but require electric power. It's difficult to give a clear price difference since you're comparing very different things. It will depend on size and application - the motor cost may be cheaper than the engine, but the extra things you need to use the motor may cause the engine to ultimately be cheaper.
What is FHP Motors?
A fractional horsepower motor is an electric motor with output power 746 watt or less watt. Adept motors is the best manufacturer and supplier of FHP motors in pune,maharashtra and India. It offers thousands of choices the FHP motors including reversible motors with high quality. Adept motors provide wide range and best quality of FHP motors with best quality and features. For more detail information 9766963047.
Consumers' willingness to replace a costly item with a less costly item is an example of what?
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How can you determine the difference between an AC or DC electric motor?
Direct current or DC electric motors work for situations where speed needs to be controlled. DC motors have a stable and continuous current. DC motors were the first and earliest motors used. They were found, however, to not be as good at producing power over long lengths. Electric companies found using DC motors to generate electric did not work because the power was lost as the electric was transmitted. Brush DC motors use rings that conduct the current and form the magnetic drive that powers the rotor. Brushless DC motors use a switch to produce the magnetic drive that powers the rotor. Direct current motors are often found in appliances around the home. Alternating current or AC electric motors are used differently based on what type of AC motor it is. Single phase AC motors are known as general purpose motors. They work well in many different situations. These AC motors work great for systems that are hard to start because they need a lot of power up front. Three phase, also called polyphase, AC motors are usually found in industrial settings. These motors also have high starting power built transmit lower levels of overall power. AC power gets its name from the fact that it alternates in power. The amount of power given off by an AC motor is determined by the amount of power needed to operate the system. garyDC motors are of mainly 3 types.series motors, shunt motors, and compound motors. DC motors are mainly used where high torque is required from less speed (rpm),and a constant rpm can be maintained.Used mainly in : lathe ,drill machines, grinding machines, compressors and so on.Ac machines have less expenses. Used widely because Ac is more popular. They have less torque on slow speeds.Used on cooling fans, water pumps etc.
