एक लाउडस्पीकर ________ ऊर्जा को ध्वनि ऊर्जा में बदलता है। - A loudspeaker changes ________ energy into sound energy. - Ek Loudspeaker ________ Urja Ko Dhwani Urja Me Badalta Hai . Gen Science GS in hindi, question answers in hindi pdf questions in hindi, Know About Gen Science GS online test Gen Science GS notes in hindi quiz book
Ring has Prashant kumar yadav
Rong ha Prashant kumar yadav