SSC SSC JE Electrical 2025 Mock Test Series (Paper 1 & Paper 2) Electrical Machines Single Phase Motor and Special Machines
Consider the following statements regarding Brushless DC motors and select the correct option.
(i) In Brushless motors, there is a provision of permanent magnets that will rotate around a moving armature.
(ii) The brush-commutator assembly of a conventional DC motor is replaced by an electronic controller in the Brushless DC motors.
(iii) For same kW rating, the Brushless DC motor is less expensive than the Brushed conventional DC motor.
1
(ii) and (iii) are false
2
(i) and (iii) are false
3
Only (ii) is false
4
(i) and (ii) are false