How to calculate Microwave Power

  • Thread starter CL39
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Main Question or Discussion Point

-If you have a magnetron produce __# of microwaves, each with frequency
of __ MHz, how can one calculate the power of those microwaves (in watts)?


-the microwaves have electric field and magnetic field associated with
them, taking just one microwave (in the waveguide) and its associated electric field,
if you had another microwave in phase, does the electric field
simply double?


Thank you.
 

Answers and Replies

  • #2
Born2bwire
Science Advisor
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You need to know the amplitudes of the waves to calculate the power. You could easily measure the power delivered though. Have a large, large mouthed glass container with water at room temperature. Heat it for a specific amount of time in the microwave, measure the temperature difference, calculate the amount of energy absorbed and use the time to find the average power absorbed. You could get a ballpark estimate by looking up the specs of the magnetron or the microwave itself.
 

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