List some devices which use electromagnets.

AC generator is a device based on electromagnetic induction used to convert mechanical energy into electrical energy. How peak value of emf is related to its rms value?

Different animals are sensitive to different ranges of electromagnetic spectrum. Human eyes are sensitive to which part of the electromagnetic spectrum.

Three pin plug is used in the circuit of power devices like electric iron. Which part of the device is connected to the earth pin ?

Three pin plug is used in the circuit of power devices like electric iron. In which pin plug, what each pin indicate ?

Name a practical device which uses the principle of Wheatstone bridge.

Considering the electromagnetic spectrum, name the electromagnetic wave which is used to detect fracture in bones.

List any two areas in which electrolysis is made use of?