Electrical Machines DC Motor DC Motor Types

In a brake test, the DC motor took 20 A from a 200 V supply mains. The brake pulley of radius 10 cm had an effective load of 20 kg and the speed was 10 rps. The value of BHP (in metric) is _______.

1
0.2 π 
2
0.5 π
3
8.8 π
4
1.3 π

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