Alkem Laboratories Electrician Interview Questions and Answers

There are two types of current - Alternating Current (AC) and Direct Current (DC). AC is used in domestic, industrial and many other applications, while DC is used for equipment and electric devices.

• Alternating Current (AC) flows in a back-and-forth motion and is used in most applications

• Direct Current (DC) flows in one direction and is used for specific equipment and devices

• AC is commonly used in homes, offices, and i...read more

Transformers change voltage levels in electrical circuits.

• Transformers use electromagnetic induction to transfer electrical energy from one circuit to another.

• They can step up or step down voltage levels depending on the number of windings in the primary and secondary coils.

• Transformers are used in power distribution systems to transmit electricity over long distances with minimal loss.

• They are also used in electronic ...read more

SMPS is a switched mode power supply used to manage and supply power to equipment as required.

• SMPS stands for Switched Mode Power Supply

• It is used to efficiently manage and supply power to electronic equipment

• It uses high frequency switching to convert AC to DC power

• It is commonly used in computers, televisions, and other electronic devices

• SMPS is more efficient and compact than traditional linear power supplies