Electric Current and its Effects — Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7ScienceElectric Current and its Effects1 Mark
MCQ
In electric bells, electrical energy transform into $.........$ energy.
A
Mechanical
B
Magnetic
✓
Sound
D
Light
✓
Answer
Correct option: C.
Sound
An electric bell is a mechanical or electronic bell that functions by means of an electromagnet.
When an electric current is applied, it produces a repetitive buzzing, clanging or ringing sound.
So clearly the electrical energy is converting into sound energy.
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