State the energy changes in the following devices while in use:
(i) A loud speaker
(ii) A glowing electric bulb

Open in App

Solution

(i) In a loud speaker, electrical energy is converted to sound energy.
(ii) In a glowing electric bulb, electrical energy is converted to light and heat energy.

Suggest Corrections

Similar questions

State the energy changes in the following cases while in use:

(a) loudspeaker

(b) a steam engine

(d) washing machine

(e) a glowing electric bulb

(f) burning coal

(g) a solar cell

(h) bio-gas burner

(i) an electric cell in a circuit

(j) a petrol engine of a running car

(k) an electric toaster

(l) a photovoltaic cell

(m) an electromagnet.

An electric bulb draws 1.2 A current at 6.0 V. Find the resistance of filament of bulb while glowing.

Join BYJU'S Learning Program