Advertisements
Advertisements
Question
A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
What transformation of energy takes place when current is drawn from a cell?
(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.
What do you understand by the term resistance?
State the kind of charge on a positive ion.
A bulb is connected to a cell. How is the resistance of circuit affected if another identical bulb is connected (i) in series, (ii) in parallel, with the first bulb?
State three factors on which the resistance of a wire depends. Explain, how does the resistance depend on the factors stated by you.
