Answer:
To avoid lethal electric shocks, electrical gadgets have iron bodies. When the live wire touches the metallic case, a tremendous quantity of electricity passes through the user’s body. Electric equipment must be earthed to avoid this.
Answer:
To avoid lethal electric shocks, electrical gadgets have iron bodies. When the live wire touches the metallic case, a tremendous quantity of electricity passes through the user’s body. Electric equipment must be earthed to avoid this.