I read that in xformer its due to magnetostiction.
1. How to reduce it.
2. Then why there is noise in poles & wires carrying higher current & voltages.
3. When neutral is eartherned at xformer site, then why there is 2V around b/w neutral & earth at house.
1. How to reduce it.
2. Then why there is noise in poles & wires carrying higher current & voltages.
3. When neutral is eartherned at xformer site, then why there is 2V around b/w neutral & earth at house.