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03. A) Design a multi range d.c. mille ammeter using a basic movement with an internal resistance Rm 50 ohm and a full scale deflection current Im-1mA. The ranges required are 0-10mA; 0-50mA: 0-100mA and 0-500mA.

03. A) Design a multi range d.c. mille ammeter using a basic movement with an internal resistance Rm 50 ohm and a full scale deflection current Im-1mA. The ranges required are 0-10mA; 0-50mA: 0-100mA and 0-500mA.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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03. A) Design a multi range d.c. mille ammeter using a basic movement with an internal resistance Rm 50 ohm and a full scale deflection current Im-1mA. The ranges required are 0-10mA; 0-50mA: 0-100mA and 0-500mA. B) The pointer of a moving coil instrument gives full scale deflection of 20mA. The potential difference across the meter when carrying 20mA is 400mV.The instrument to be used is 200A for full cale deflection. Find the shunt resistance required to achieve this, if the instrument to be used as s Itmeter for full scale reading with 1000V. Find the series resistance to be connected it?
Transcribed Image Text:03. A) Design a multi range d.c. mille ammeter using a basic movement with an internal resistance Rm 50 ohm and a full scale deflection current Im-1mA. The ranges required are 0-10mA; 0-50mA: 0-100mA and 0-500mA. B) The pointer of a moving coil instrument gives full scale deflection of 20mA. The potential difference across the meter when carrying 20mA is 400mV.The instrument to be used is 200A for full cale deflection. Find the shunt resistance required to achieve this, if the instrument to be used as s Itmeter for full scale reading with 1000V. Find the series resistance to be connected it?
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