A Standard cell of 1.0185 V with a simple potential meter balances at 50 cm. Calculate percentage error in an ammeter that reads 0.43 A and balance is obtained at 43.2 cm with potential difference across a 20 resister in ammeter circuit?

A Standard cell of 1.0185 V with a simple potential meter balances at 50 cm. Calculate percentage error in an ammeter that reads 0.43 A and balance is obtained at 43.2 cm with potential difference across a 20 resister in ammeter circuit?

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter59: Motor Startup And Troubleshooting Basics

Section: Chapter Questions

Problem 12SQ: How is a solid-state diode tested? Explain.

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Question

A Standard cell of 1.0185 V with a simple
potential meter balances at 50 cm. Calculate
percentage error in an ammeter that reads
0.43 A and balance is obtained at 43.2
cm with potential difference across a 20
resister in ammeter circuit?

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