Amp Voltmeter
What is an easy way to measure a magnetic field strength?
my school doesn’t have a Gauss-meter or a magnetometer or any cool magnet devices. Is there any other simple mathematical way i can figure the strength of a magnetic field?
If i put a coiled wire cutting the field lines and tie the wire to an voltmeter or an amp-meter will that work because my school has those?
Please tell me an easy way i can calculate the strength 
even if its hard can you tell me how to do it thank you.
whats the equation?
Magnetism is inherently difficult to measure.
This is due to the fact that magnetic fields themselves DO NOT induce any part of an electric signal. Only time varying magnetic flux can do so.
Changing Tubes on Vacuum Tube Amplifiers : How to Use a Voltmeter to Test a Tube Amp
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