Measure an electric current by determining the magnitude and direction of the horizontal component of Earth’s magnetic field. Set the compass needle parallel to the coil, pass an unknown current through, and measure the angle of deflection. Features copper magnet wire, adjustable potentiometer, compass, and non-magnetic stand. Required but not included is one D battery.
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We are currently unable to calculate your contract price for this item. List price is being displayed temporarily. When your order is processed, you will be invoiced at your contract price even though list price is displayed now