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What is an electric drive?

• A device that converts electrical energy into mechanical energy

• A device for transmitting mechanical energy

• A device powered by solar energy

What is the main task of an electric motor in an electric drive?

• Conversion of electrical energy into mechanical energy

• Storage of electrical energy

• Transmission of energy over long distances

What parameter of the electric motor is responsible for its power?

• Voltage

• Current

• Rotation speed

What method is used to change the rotation speed of an electric motor?

• Voltage change

• Changing the current frequency

• Resistance change

Which of the factors does not affect the choice of an electric motor for a specific application?

• Availability of spare parts

• Engine efficiency

• Body color

without which the electric drive will not work

• current

• voltage

• power supply

• electricity

what is the main metal used for electric power transmission

• honey

• aluminum

• bronze

• iron