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Analyze Fig and find the answers to the questions given below.1. To which device is the electric line reaching our home connected first?2. From where does the earth line start?3. What is the use of a watt-hour meter?4. In which line are the fuses connected?5. What is the function of the main switch? Where is its position in the circuit?6. In the household electrical circuit, which is the third line, other than the phase and the neutral?7. What are the colors used for wires in phase, neutral and earth lines?8. Where is the earth wire connected in a three-pin socket?9. How are the household devices connected? Series/parallel. |
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Answer» 1. Watt-hour meter. 2. From the main switch. 3. Watthour meter. 4. The electricity used is measured using a Watthour meter. 5. Phase line. 6. The electricity reaches the electrical appliances through the main switch. Therefore instead of turning each switch OFF, the main switch can be switched OFF. The main switch is placed just after the Watthour meter. 7. Earth line.
8. Pin E. 9. Parallel. |
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