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प्रश्न
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उत्तर
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संबंधित प्रश्न
State the two kinds of cell. Give one example of each.
(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.
How is the resistance of a wire affected if its (a) length is doubled, (b) radius is doubled?
In transferring 1.5 C charge through a wire, 9 J of work is needed. Find the potential difference across the wire.
State two characteristics of resistances in the series circuit.
State two characteristics of resistance in the parallel circuit.
What amount of work is required in moving 3 C charge through a potential difference of 6 V?
Compare the brightness of two 60 watt bulbs.
When they are connected in series.
Explain giving scientific reasons.
