Advertisements
Advertisements
Question
'The resistance of a wire is 2 ohm'. Explain the meaning of this statement.
Advertisements
Solution
The resistance of the wire is 2 ohms if a current of 1 ampere flows through it when the potential difference across it is 2 volt.
APPEARS IN
RELATED QUESTIONS
What transformation of energy takes place when current is drawn from a cell?
Write symbol and state function of following component in an electric circuit :
cell
‘The potential difference between two conductors is 1 volt.’ Explain the meaning of this statement.
On increasing the resistance in a circuit, the current in it :
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?
How is potential difference related to work done and quantity of charge?
Why does the filament of an electric bulb in an electric circuit get white-hot, but not the connecting wires?
What do you understand by the term series circuit?
