Yes it would consume power. the amount of power consumed (W) watts would be the resistor value in ohms times the current in Amps squared. It would not produce much magnetism. Joe
On Tue, Mar 15, 2011 at 8:44 AM, John Green <v_2jgree@operamail.com> wrote:
Re: wire size
A quick question re wire size, and heating under load that was mentioned
in the current 'wire size' discussion.
If I added a wire wound heavy duty resistor in series with a dc motor to
slow the speed, and made sure it was beefy enough not to heat up, would
it consume any power?
I am thinking of a simple circuit with just the motor, battery, heavy
duty on/off switch, and wire to connect them.
I am thinking that it might, as it will create magnetism.
Thanks,
John
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