Multiple choice

The rod in a dry cell which acts as the positive terminal is made of _______.

  1. copper

  2. carbon

  3. iron

  4. aluminum

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A dry cell uses a carbon rod (graphite) as the positive terminal (cathode). The zinc casing serves as the negative terminal (anode). The carbon rod remains stable during discharge.