Find the equivalent resistance of the Wheatstone bridge in problem above when 20.10 Making an Ammeter and Voltmeter from a Galvanometer • A galvanometer has an internal resistance of 3.00 Nand gives full-scale deflection for a current of 10.0 mA, What shunt resistance is necessary to convert this to an ammeter that can read a maximum current of 5.00 A? 20.11 The Wheatstone Bridge • Find the value of R2 in the diagram if the bridge is balanced. R, 20 N G = 35 N RA - 55 )2 E, = 6 V %3D the pridge is balanced. Find the current through each resistor

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