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Questions and Answers
What is the main reason why you may get a bad shock if you touch an electrical socket or a live wire attached to the mains?
What is the main reason why you may get a bad shock if you touch an electrical socket or a live wire attached to the mains?
- The electrical energy supplied by the mains is a huge amount. (correct)
- The electrical socket or live wire is faulty and unsafe.
- The electrical socket or live wire is designed to give a shock to anyone who touches it.
- The electrical energy supplied by the mains is very small.
What do the '+' and '-' signs close to the terminals of a cell stand for?
What do the '+' and '-' signs close to the terminals of a cell stand for?
- Positive and negative terminal (correct)
- Fully charged and discharged
- Active and inactive state
- High voltage and low voltage
What does the protruding metal cap at one end of a cell represent?
What does the protruding metal cap at one end of a cell represent?
- Positive terminal (correct)
- Inactive state
- Negative terminal
- Fully charged state
What provides the electrical energy to run electrical devices in a cell?
What provides the electrical energy to run electrical devices in a cell?
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What does the blackish HKl inside the cell indicate?
What does the blackish HKl inside the cell indicate?
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