Name two safety measures commonly used in electric circuits and appliances.?

Question

Answer

Two safety measures commonly used in electric circuits and appliances are

(i) Electric Fuse: An electric fuse is connected in series it protects the circuit from overloading and prevents it from short circuiting.

(ii) Proper earthing of all electric circuit in which any leakage of current in an electric appliance is transferred to the ground and people using the appliance do not get the shock.

MCBs are also used as safety device in electrical circuits.

Answer

Two safety measures are :-
(i) Electric fuse
(ii) Earthing of all electical appliances

Answer

Safety Measures in Electric Circuits and Appliances

Electric circuits and appliances can pose potential hazards if not used or installed correctly. To ensure the safety of individuals and prevent accidents, several safety measures are commonly used in electric circuits and appliances. These safety measures include:

1. Insulation
Insulation is a crucial safety measure used in electric circuits and appliances to prevent electric shocks and short circuits. Insulation involves covering the conductive parts of a circuit or appliance with non-conductive materials such as rubber or plastic. This insulation material acts as a barrier, preventing the flow of electric current through unintended paths.

Insulation is commonly found in electrical wires, cables, and the covering of appliances. It prevents direct contact with the conductive parts, reducing the risk of electric shock. Insulation also helps in preventing short circuits, which can result in overheating, fires, or damage to the device.

2. Grounding
Grounding is another essential safety measure used in electric circuits and appliances. Grounding involves connecting the conductive parts of a circuit or appliance to the earth or a grounding conductor. This provides a path for the electric current to flow into the ground in case of a fault or leakage, thereby minimizing the risk of electric shock.

Grounding is commonly achieved by connecting the metal casing or outer covering of an appliance to a grounding wire, which is then connected to a ground electrode, such as a metal rod buried in the ground. In the event of a fault, excess electrical current is directed towards the ground rather than passing through a person or causing damage to the appliance.

Grounding also helps in reducing static electricity and electromagnetic interference, ensuring the safe operation of electrical devices.

Summary
In summary, two common safety measures used in electric circuits and appliances are insulation and grounding. Insulation prevents electric shocks and short circuits by covering conductive parts with non-conductive materials. Grounding provides a path for electric current to flow into the ground, minimizing the risk of electric shock and diverting excess current in case of a fault. These safety measures are essential in ensuring the safe operation of electric circuits and appliances and preventing accidents or damage.

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