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प्रश्न
Draw circuit symbols for
a cell
उत्तर
a cell
APPEARS IN
संबंधित प्रश्न
What do the following symbols mean in circuit diagrams?
Draw circuit symbols for
A closed switch
What is a circuit diagram
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.
What is the use of earthing wire?
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?
In a simple circuit, why does the bulb glow when you close the switch?
Instead of metal wires, a jute string can be used to make a circuit.
Will the bulb glow in the circuit shown in Fig. 12.6? Explain.
Paheli connected two bulbs to a cell as shown in Fig. 12.8.
She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.
