engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electrical Machines DC Motor DC Motor Characteristics
If N is the speed of a D.C. series motor and Ia is the armature current then
1
\(N\propto\dfrac{1}{I_a}\)
2
\(N\propto I_a\)
3
\(N\propto{I_a}^2\)
4
\(N\propto\dfrac{1}{I_a^2}\)