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Electrical Engineering

Brush Contact drop in series motor Calculator

Electrical Engineering

GATE Verified formulaSI defaultsCompatible units
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Brush Contact drop in series motor

Equation and meaning

\[P_b = Brush_Contact \cdot drop\]

Use this equation when the shown variables describe your problem. Keep all inputs in compatible units; the calculator converts them to SI internally before solving.

Variables in this formula

Brush_Contact — Brush Contact
Enter this value unless it is the selected unknown.
drop — Drop
Enter this value unless it is the selected unknown.
P_b — P B
Enter this value unless it is the selected unknown.
Equation 2

Equation and meaning

\[P_b = V_b \cdot I_a\]

Use this equation when the shown variables describe your problem. Keep all inputs in compatible units; the calculator converts them to SI internally before solving.

Variables in this formula

I_a — I A
Enter this value unless it is the selected unknown.
P_b — P B
Enter this value unless it is the selected unknown.
V_b — V B
Enter this value unless it is the selected unknown.

How to use this calculator

  1. Leave one value emptyThe empty field is automatically treated as the unknown.
  2. Enter known values and unitsChoose N, kgf, dyn, SI or another compatible unit when available.
  3. Review the automatic answerThe result appears immediately and is substituted back into the formula to check the residual.
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