Advertisements
Advertisements
प्रश्न
Which of the following cell is used in hearing aids?
विकल्प
Mercury cell
\[\ce{H2 - O2}\] fuel cell
Dry cell
\[\ce{Ni - CD}\] cell
MCQ
उत्तर
Mercury cell
Explanation:
Because of their compact size, extended shelf life, stable and constant voltage output, and low self-discharge rate, mercury cells are utilised in hearing aids.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
