3. Dry cells are not actually dry. Comment on this statement giving reason.
4. Why are solar cell panels used in artificial satellites / space stations ?
Answers
Answer:
3. Dry cells are not actually dry because they have some more water content in the cytoplasm and vacuole which stores the water . It loses some water hence it is called as dry cell .
4. Solar cell panels are used in artificial satellites in space because they can get energy from sun and can be used for its work and they cannot depend on the energy from the fossil fuel .
Explanation : Make my answer as Brainliest
Answer:
Dry cell are not actually dry because they contain electrolyte in the form of paste or gel with enough moisture. The moisture present is enough for the flow of current in a cell.
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solar panels used in artificial satellite because if a battery is fixed it will soon run out of power. and it is impossible to use a wired switch for the satellite.