eSSL Assistant Project Engineer Interview Questions and Answers

3Pin switch Earth is big to ensure safety and prevent electric shock.

• The Earth pin is larger to ensure it is the first to make contact when plugging in the device.

• This ensures that any electrical current flows through the Earth wire, preventing electric shock.

• The larger size also prevents the plug from being inserted into the socket the wrong way around.

• This is a safety feature that is required by electrical safety sta...read more

LED stands for Light Emitting Diode.

• LED is a semiconductor device that emits light when an electric current is passed through it.

• It is commonly used in lighting, displays, and electronic devices.

• LEDs are energy-efficient and have a longer lifespan compared to traditional incandescent bulbs.

• They come in various colors and can be used for decorative purposes as well.

• Examples of LED applications include traffic lights, ca

A diode is an electronic component that allows current to flow in only one direction. It works by using a semiconductor material.

• Diodes are commonly used in rectifiers to convert AC to DC power.

• They are also used in voltage regulators to maintain a constant voltage.

• Diodes can be used as a switch to control the flow of current.

• They are also used in signal processing and communication systems.

• The most common type of diod...read more