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प्रश्न
Draw a diagram showing two bulbs connected in series to a dry cell.
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उत्तर
Two bulbs glowing dimly
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संबंधित प्रश्न
(a) Complete the circuit given in Fig. by inserting between the terminals A and C. an ammeter.
(b) In the diagram, mark the polarity at the terminals of ammeter and indicate clearly the direction of flow of current in the circuit when the circuit is complete.
(c) Name and state the purpose of Rh in the circuit.
The unit of current is :
Explain why does a metal wire when connected to a cell offer resistance to the flow of current.
How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same?
A bulb draws current 1.5 A at 6.0 V. Find the resistance of filament of bulb while glowing.
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
Which sphere is at lower potential before electrical contact on the basis of convention?
What do you mean by an electric current?
Write SI unit of
Resistance.
What is the other name of a variable resistor?
What is the physical meaning of resistance?
