Question 14
We need to be careful when we use electricity. Read the caution box below. Use your knowledge of conductors and insulators to explain the precautions.
Caution: Never touch electrical wires with wet hands. If you need to handle wires, always wear rubber gloves. Check that all electrical wires are in good condition. Their coating must not be worn out.
This classroom activity uses a 1.5 V cell; do not handle mains wiring.
Caution: Never touch electrical wires with wet hands. If you need to handle wires, always wear rubber gloves. Check that all electrical wires are in good condition. Their coating must not be worn out.
This classroom activity uses a 1.5 V cell; do not handle mains wiring.
