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प्रश्न
What do you understand by the term electric resistance?
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उत्तर
Electric resistance: The obstruction offered to the passage of electric current by a material is called resistance of the material.
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संबंधित प्रश्न
State three differences between the primary and secondary cells.
(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 potential difference is :
In transferring 1.5 C charge through a wire, 9 J of work is needed. Find the potential difference across the wire.
Draw a diagram showing two bulbs connected in parallel to a dry cell.
