An alternating current circuit contains only a capacitor. Draw a circuit diagram and derive current, phase difference and capacitive reactance.

Describe the transformer under the headings:

$\left(\mathrm{i}\right)$ Labelled diagram

Describe the transformer under the headings:

$\left(\mathrm{ii}\right)$ Principle

Describe the transformer under the headings:

Formula of transformer ratio

Describe the transformer under the headings: Any two reasons of energy loss in transformer.

Describe a transformer under the heading:

$\left(1\right)$ Kinds of transformer

Describe a transformer under the heading:

$\left(2\right)$ Labelled diagram

Describe a transformer under the heading:

$\left(3\right)$ Principle

Describe a transformer under the heading:

$\left(4\right)$ Any $2$ Applications.