Main effects of electric current

There are three main effects of an electric current:

(a) magnetic effect

(b) chemical effect

(c) heating effect

Listed below are few practical applications and uses of these effects of an electric current:

• Magnetic effect:

• bells,
• relays, motors
• generators
• transformers,
• telephones,
• car-ignition and
• lifting magnets

• Chemical effect:

• primary and secondary cells and
• electroplating

• Heating effect:

• cookers,
• water heaters,
• electric fires,
• irons,
• furnaces,
• kettles and
• soldering irons