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प्रश्न
Draw circuit symbols for
a battery of three cells
उत्तर
a battery of three cells
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संबंधित प्रश्न
What do the following symbols mean in circuit diagrams?
Draw circuit symbols for
fixed resistance
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.
Write the condition required for a circuit to be a closed circuit.
In any electric circuit, when the switch is on and the current flows through it why do the wire, switches, bulb or devices become hot?
Tabulate the different components of an electric circuit and their respective symbols.
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?
Choose the statement which is not correct in the case of an electric fuse.
In the above circuit, if the current reading in the ammeter A is 2A, what would be the value of R1?
