From the given cells :
Lead storage cell , Mercury cell , Fuel cell and Dry cell
Answer the question
Which cell is used in hearing aids ?

Explanation

To determine which cell is used in hearing aids from the given options (Lead storage cell, Mercury cell, Fuel cell, and Dry cell), we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Function of Hearing Aids**:
- Hearing aids are electronic devices designed to assist individuals with hearing disabilities. They need to be compact and portable since they are worn in or around the ear.

2. **Evaluate the Options**:
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