explain an activity to show that potato can be used to check the polarity of a cell or a battery. Explain in long
Answers
Answer:
cut a potato into two halves and insert the copper wires of a tester into it. after an hour, there will be a greenish blue spot on the potato around one wire where as there will be no such spot around the other wire.
Explanation:
the wire connected to the positive terminal, which had a greenish blue spot around it. it might be used for identifying the positive terminal of a cell or battery concealed in a box.
Answer
Explanation:
When the free ends of a conduction tester are dipped in potato a greenish blue spot is seen around the wire attached to the positive terminal of the battery. This helps in identifying the positive terminal of the cell or battery.
Both the leads of the battery can be dipped into a single piece of potato for long time. After that, it can be observed that there is green coloration near one of the terminals. This is the positive terminal and the other one is the negative terminal.