Is energy produced when a transformer steps up the voltage?

The energy produced by the producers is utilized by the

(I) : In some AC generators, converts electrical energy into mechanical energy. (II) : A Transformer converts high voltage (low current) into low voltage (high current ) and vice versa. Which one is incorrect statement ?

In a step-down transformer the input voltage is 22 kV and the output voltage is 550 V. The ratio of the number of turns in the secondary to that in the primary is

Assertion: The quantity of energy present in the universe is constant. Reason: The energy can be transformed from one form to another.

Find the heat energy produced in a resistance of 10Omega when 5 A current flows through it for 5 minutes.

____ is produced when an object is set to vibrate.

In step-up transformer the output voltage is 11 kV and the input voltage is 220 V. The ratio of number of turns of secondary to primary is: