In DC motor, speed is inversely proportional to

Option 1: Flux

Option 2: Torque

Option 3: Current

Option 4: Resistance


Correct Option: 1

Explanation

From basic speed relation N ∝ Eb/Ï•. At constant supply, Eb almost constant, so N ∝ 1/Ï•. Reduction in flux causes increase in speed.

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