All Questions
Tagged with theory electrical
5 questions
2
votes
2
answers
85
views
To ground or not To ground
Sure most cars have neg earth chassis return .Boats have single point ground so there are no hull currents to cause electrolytic corrosion .My question is about busses .They have been known to have ...
3
votes
1
answer
231
views
Why doesn't polarity matter for fuel injectors?
Why doesn't polarity matter for fuel injectors? If they are essentially a solenoid, then it seems it would matter; swapping polarity would change the direction the electromagnet pulls or pushes.
6
votes
3
answers
171
views
Multiple Batteries Charging
I have multiple batteries off from motorcycles, and each of them has it's own charge level (12-13 Volt measured at rest).
Assuming I have only one 12 Volt charger, can I charge them in parallel until ...
4
votes
1
answer
7k
views
Can a lightning strike cause your car to not run?
If lightning strikes a tree in your yard and your car is close by, can this cause your car to not work properly? I had an employee call in stating that lightning struck a tree beside their mobile ...
9
votes
3
answers
2k
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Why do electric motors produce peak torque instantly vs gasoline engines
On a separate forum, someone had asked why electric cars do not have transmissions.
The simple answer was that electric cars produce peak torque at any RPM but the gasoline engine needs to rev up to ...