A galvanometer has an internal resistance of 35.0 (omega symbol) and deflects fu

Question

A galvanometer has an internal resistance of 35.0 (omega symbol) and deflects full scale for a current of 2.50 mA. Show how to convert the galvanometer into an ammeter that deflects full scale for a current of 5.00 A.
A. A car battery has an extra of 13.4 v and an internal resistance of 0.035 (omega symbol). Find the terminal potential for the battery when it is producing 120 A of current. A galvanometer has an internal resistance of 35.0 (omega symbol) and deflects full scale for a current of 2.50 mA. Show how to convert the galvanometer into an ammeter that deflects full scale for a current of 5.00 A.
A. A car battery has an extra of 13.4 v and an internal resistance of 0.035 (omega symbol). Find the terminal potential for the battery when it is producing 120 A of current.
A. A car battery has an extra of 13.4 v and an internal resistance of 0.035 (omega symbol). Find the terminal potential for the battery when it is producing 120 A of current.

Explanation / Answer

Terminal potential of the battery = E - I * r = 13.4 - ( 120 * 0.035) = 13.5 - 4.2 = 9.3 V

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