Which motor cannot be started on no load?

Which of the following motor has negative speed regulation?

Core of transformer is laminated to

A transformer transforms ..........

Natural oil cooling is used in transformer upto a rating of

Soldering iron is made of wedge shape in order to ......

The purpose of using flux in soldering is to.......

The starting torque of a capacitor start motor is

A universal motor is one

The motor used in household refrigerators is