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Can someone help me to design the multirange ohm meter using permenant magnetic moving coil movement....
Can someone help me to design the multirange ohm meter using permenant magnetic moving coil movement....
One version is called a D'Arsonval movement.
The resistor in series (current mode) or parallel (voltage) determines the range. Figure the value of resistor to give you a range, then a switch to change ranges. Pretty basic stuff.