Question

Can you tell out of the following machines in which electromagnet is used?

• A. Water Heater
• B. Electric Bell
• C. Washing Machines
• D. Microwave Oven

Answer 1

The correct option is B

Electric Bell

Electromagnet is used in making of electric bell which we generally see at our home, offices and hotels. When an electric current is applied, it produces a repetitive buzzing or clanging sound. Electric bells have been widely used at railroad crossings, in telephones, fire and burglar alarms, as school bells, doorbells, and alarms in industrial plants, but they are now being widely replaced with electronic sounders