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प्रश्न
Draw a neat diagram showing a open electric circuit.
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उत्तर
open circuit
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संबंधित प्रश्न
Draw circuit symbols for
a cell
Explain with the help of a labelled circuit diagram how you will find the resistance of a combination of three resistors, or resistance R1, R2 and R3, joined in parallel. Also mention how you will connect the ammeter and the voltmeter in the circuit when measuring the current in the circuit and the potential difference across one of the three resistors of the combination.
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:
Open circuit
Find the odd one out and give its explanation.
Flow of electricity through a closed circuit is _____.
The switch is used to close or open an electric circuit.
______ is a kind of fish which is able to produce an electric current.
In a circuit, if the key is in open (off) condition, then electricity will not flow.
In an electrical circuit three incandescent bulbs A, B and C of rating 40 W, 60 W and 100 W respectively are connected in parallel to an electric source. Which of the following is likely to happen regarding their brightness?
