They may look similar from the outside. But there are many significant under-the-hood differences between an electric-powered car and a car that makes use of an internal combustion engine. How much do you know about electric cars?
In an electric car, the accelerator pedal hooks to a pair of these to relay the information to the controller about how much power it should deliver.
- power inverters
What is the purpose of two potentiometers?
- to increase the cost
- for durability
- for safety
The controller reads the setting from the potentiometer and rapidly switches the power to the motor on and off at a rate of how many times per second?
- more than 15,000 times per second
- more than 25,000 times per second
- more than 50,000 times per second
How many sets of transistors do you need in an AC controller?
Electric cars can use AC or DC motors. According to the article, many of the DC motors used in electric cars come from where?
- the electric garage door industry
- the electric forklift industry
- the electric vacuum cleaner industry
What is the weakest link in any electric car?
- the potentiometers
- the batteries
- the driver
To keep the battery in an electric car charged, the car must have what?
- an AC-to-DC converter
- a DC-to-DC converter
- a DC-to-AC converter
Any electric car needs this to recharge the batteries.
- a potentiometer
- a transistor
- a charging system
What is the term used when someone gently overcharges the batteries to make sure that the weakest cells are brought up to full charge?
- equilibrium charge
- equalization charge
- equidistant charge
If you've decided to build your own electric vehicle, you should know that an electric motor usually needs which one of the following for maximum efficiency?
- a potentiometer
- a catalytic converter
- a reduction gear