How much torque is developed by a 400 V DC shunt motor during a brake test given the following readings: Length of brake arm = 200 cm Reading of spring balance at the end of brake arm = 40 kg-wt Supply voltage = 400 V (Take g = 9.8 m/s2)

In a three-phase alternator, the factor that accounts for the reduction in induced EMF because the coils within a phase group are spread across several slots per pole is known as the ________.

Which factor is least significant in determining the rating of a distribution transformer?