Q5/A- Design a series- type ohmmeter, consist of movement requires 0.5mA for full scale deflection and has an internal resistance of 5002. The internal battery has a voltage of 3V. The desired value of half- scale resistance is 300092. Calculate (a) the value of current limiting and zero adjust resistors, (b) the range of zero adjust resistor values if the battery voltage vary from 2.7 to 3.1V. Use the value of current limiting resistor as calculated in part (a).

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Q5/A- Design a series- type ohmmeter, consist of movement requires 0.5mA for
full scale deflection and has an internal resistance of 500. The internal battery
has a voltage of 3V. The desired value of half- scale resistance is 30000.
Calculate (a) the value of current limiting and zero adjust resistors, (b) the range
of zero adjust resistor values if the battery voltage vary from 2.7 to 3.1V. Use the
value of current limiting resistor as calculated in part (a).
Transcribed Image Text:Q5/A- Design a series- type ohmmeter, consist of movement requires 0.5mA for full scale deflection and has an internal resistance of 500. The internal battery has a voltage of 3V. The desired value of half- scale resistance is 30000. Calculate (a) the value of current limiting and zero adjust resistors, (b) the range of zero adjust resistor values if the battery voltage vary from 2.7 to 3.1V. Use the value of current limiting resistor as calculated in part (a).
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