0 votes
1.4k views
in Physics Form 1 by

The figure below shows the features of a dry cell (lenclanche). Use the information in the figure to answer the following questions.
Phyf2midt1q23

  1. Name the parts
  2. Explain the purpose of B
  3. State 2 defects of a dry cell and give their remedies

1 Answer

0 votes
by
  1.     
    • A - Seal and insulator 
    • B – Zinc case  
    • C – Mixture of carbon and manganese (IV) oxide    
    • D – Carbon rod 
  2. Zinc case acts as a negative electrode
  3.    
    1. Polarisation
      Remedy – Adding a depolarizer e.g potassium dichromate
    2. Local action
      Remedy – By amalgamation
      Accept – use of pure zinc or coating zinc with mercury 
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.

6.4k questions

9.6k answers

6 comments

590 users

...