Electrical Machines
In a transformer

 both OC and SC tests are conducted on LV side
 OC test is conducted on LV side and SC test is conducted on HV side
 OC test is conducted on HV side and SC test is conducted on LV side
 both Oc and SC tests are conducted on HV side

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Electrical Machines
Which of the following represents the commutator pitch?

 Number of conductors spanned by one coil at the back end of the armature.
 The distance between the staring of first coil and its next successive coil
 Number of commutator segments between two successive coils.
 Number of conductors spanned by one coil at the front end of the armature.

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