Re: Fried points
Both calculations that you suggest will yield the POWER dissipated at the Ohmic junction of the points and both numbers will have the same value. They are simply two different means by which one can arrive at the same answer.
Neither calculation will yield any measure of ENERGY since the points are incapable of energy storage.
I are one also.
Jim
From a static energy viewpoint, the energy the points dissipate is V**2/R. That equates to the voltage impressed across them (squared) divided by their intrinsic contact resistance.
From a kinetic energy viewpoint, the energy the points dissipate is I**2xR. That equates to the current flowing through them (squared) times their intrinsic contact resistance.
From a kinetic energy viewpoint, the energy the points dissipate is I**2xR. That equates to the current flowing through them (squared) times their intrinsic contact resistance.
Neither calculation will yield any measure of ENERGY since the points are incapable of energy storage.
From an electrical engineering point of view (I are one),.....
Jim
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