Question

Name the 2 energy transfers which occurs when an electric bell rings

Answer 1

chemical energy to electrical energy
electrical energy to sound energy

Answer 2

(A) electric energy to mechanical energy and then sound energy 

 (b) sound energy to electric energy 

 (c) electric energy to light and heat

(d) chemical energy to electrical then light and heat

(e) electromagnetic waves to electric then converted into sound

 

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