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संबंधित प्रश्न
Who will spend more electrical energy? 500 W TV Set in 30 mins, or 600 W heater in 20 mins?
The accompanying figure shows some electrical appliances connected in a circuit in a house. Answer the following questions.
- By which method are the appliances connected?
- What must be the potential difference across individual appliances?
- Will the current passing through each appliance be the same? Justify your answer.
- Why are the domestic appliances connected in this way?
- If the T.V. stops working, will the other appliances also stop working? Explain your answer.
Explain the following:
Closed circuit
What is the use of earthing wire?
In the given circuit diagram, which of the given switch(s) should be closed. So that only bulb A glows.
Higher Order Question
A student made a circuit by using an electric cell, a switch, a torch bulb (fitted in the bulb holder), and copper connecting wires. When he turned on the switch, the torch bulb did not glow at all. The student checked the circuit and found that all the wire connections were tight.
- What could be the possible reason for the torch bulb not glowing even when the circuit appears to be complete?
The wiring in a house consists of ______ circuits.
What is the role of the earth wire in domestic circuits?
Will the bulb glow in the circuit shown in the following figure? Explain.
Paheli connected two bulbs to a cell as shown in the following figure.
She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.
