Explain the construction and working of an
- explain the construction and working of an electric generator
- explain the construction and working of an electromagnet
- explain the construction and working of an over current relay
- explain the construction and working of an ac generator
- explain the construction and working of an electroscope
- explain the construction and working of an electric bell class 7
- explain the construction and working of an open tube manometer
- explain the construction and working of an telephone
- explain the construction and working of an electric motor
- explain the construction and working of an electric bell
