Armature Resistance in DC Machines Formulas

Armature Resistance is the ohmic resistance of the copper winding wires plus the brush resistance in a dc machine. And is denoted by R_a. Armature Resistance is usually measured using the Ohm for Electric Resistance. Note that the value of Armature Resistance is always positive.

DC Machines formulas that make use of Armature Resistance

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FAQ

What is the Armature Resistance?

Armature Resistance is the ohmic resistance of the copper winding wires plus the brush resistance in a dc machine. Armature Resistance is usually measured using the Ohm for Electric Resistance. Note that the value of Armature Resistance is always positive.

Can the Armature Resistance be negative?

No, the Armature Resistance, measured in Electric Resistance cannot be negative.

What unit is used to measure Armature Resistance?

Armature Resistance is usually measured using the Ohm[Ω] for Electric Resistance. Megohm[Ω], Microhm[Ω], Volt per Ampere[Ω] are the few other units in which Armature Resistance can be measured.

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