Question

State the Energy convections in the following case.
1. You Switched on T.V.
2. Your Mother lights gas stove to cook food

Answer 1

Answer:

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

(a) loudspeaker

(b) a steam engine

(c) microphone

(d) washing machine

(e) an 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 tar

(k) an electric toaster

(l) a photovoltaic cell

(m) an electromagnet.

Medium

Answer

(a) Electrical energy into sound energy  

(b) Heat energy into mechanical energy  

(c) Sound energy into electrical energy  

(d) Electrical energy to mechanical energy  

(e) Electrical energy into light energy  

(f) Chemical energy to heat energy  

(g) Light energy into electrical energy  

(h) Chemical energy into heat energy  

(i) Chemical energy into electrical energy  

(j) Chemical energy to mechanical energy  

(k) Electrical energy into heat energy  

(I) Light energy into electrical energy (m)Electrical energy into magnetic energy.

Explanation: