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Questions
Name safety measures commonly used in electric circuits and appliances.
Name two safety measures commonly used in electric circuits and appliances.
Solution 1
Following safety measures should be followed while using electricity :
- Wires carrying electricity should not be touched bare footed.
- While working with electricity, one must wear gloves made up of insulated material and rubber sole shoes.
- The insulation of the wire must be checked periodically.
- The electrical appliances must be earthed.
- The electric circuits should be switched off during lighting.
- An electric fuse is a very safety device. Electric fuse of proper rating should be used to stop the flow of excess electric current and to solve save the electrical appliances.
- For avoiding overloading, many appliances should not be connected at a time in the circuit.
Solution 2
- Fuses: Fuses protect circuits from excessive current flow. When the current crosses a safe threshold, the fuse wire melts and prevents the circuit, avoiding further harm.
- Circuit Breaker: Circuit breakers use an electromagnet or bimetallic strip to open the circuit when excessive current flows through it.
Notes
Students should refer to the answer according to their questions and provided marks.
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