Consider the following statements:
1. Rectifier is a device that converts direct current to alternating current.
2. A transformer is a device for increasing or reducing the output of an electrical power supply.
Which of the statement/statements given above is/are correct?

Consider the following statements

1. The filament of a 60 W bulb is thinner than that of a 100 W bulb.

2. The filament of a glowing bulb emits infra-red radiation in addition to visible radiation.

Which of the statements given above is/are correct?

Transformer is used to

1. Convert low AC voltage to high voltage

2. Convert high AC voltage to low voltage

3. Convert direct current to alternating current

4. Regulate the fluctuation of voltage

Select the correct answer using the codes given below: