(1) A moving coil nstrument whose resistance is 10 2 and has a full-scale deflection when the current through it is 10 mA, has to measure voltage up to 100 V. If a series resistance of 10 k2 is used, what is the percentage error in measurement?

Delmar's Standard Textbook Of Electricity
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Chapter12: Batteries And Other Sources Of Electricity
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O A moving coil instrument whose resistance is 40 2 and has a full-scale deflection when the current
through it is 20 mA, has to measure current up to 100 A. If a shunt resistance of 6 mSQ is used, what is
the percentage error in measurement?
(11) A moving coil mstrunment whose resistance is 102 and has a full-scale deflection when the current
through it is 10 mA, has to measure voltage up to 100 V. If a series resistance of 10 k2 is used, what is
the percentage error in measurement?
Transcribed Image Text:O A moving coil instrument whose resistance is 40 2 and has a full-scale deflection when the current through it is 20 mA, has to measure current up to 100 A. If a shunt resistance of 6 mSQ is used, what is the percentage error in measurement? (11) A moving coil mstrunment whose resistance is 102 and has a full-scale deflection when the current through it is 10 mA, has to measure voltage up to 100 V. If a series resistance of 10 k2 is used, what is the percentage error in measurement?
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