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About Dave Nyce
Expertise
I have been an electronics engineer for 25 years. I can answer questions on analog and digital circuits and my specialty is sensors.

Experience
I am the inventor on 23 US patents, and also some foreign ones. Developed sensors for over 25 years. Licensed private pilot (airplane and rotorcraft), have HAM radio license. I'm not an expert in computer networking.

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Electrical Engineering - Current

Expert: Dave Nyce - 10/20/2009

Question
Hi Dave, my questions are these provided we have a lamp which has a rating of 24vdc and .3-.41A.
a) I feed it a power supply which has a rating of 24 vdc .1A, what would happen to the lamp?
b) I feed it a power supply which has a rating of 24vdc 2A, what would happen to the lamp?
Thank's a lot Dave!

Answer
a. with the power supply only rated at 0.1A, the lamp will not light as brightly, or may not light at all because the power supply is not rated to supply enough current.

b. with a power supply rated for 2A, the lamp will light normally.

Hope this helps!

Dave

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