Advertisements
Advertisements
प्रश्न
'The resistance of a wire is 1 ohm'. Explain the meaning of this statement.
Advertisements
उत्तर
The resistance of a wire is 1 ohm; it means a current of 1 ampere will flow through the wire when the potential difference across it is 1 volt.
APPEARS IN
संबंधित प्रश्न
Write symbol and state function of following component in an electric circuit :
ammeter
(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.
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
In which direction electronic current flows?
What do you understand by the term electric current?
State the relation between electric current; the number of electrons moving in a circuit and time in seconds.
Draw a diagram showing two bulbs connected in series to a dry cell.
Write SI unit of
Electric current,
What amount of work is required in moving 3 C charge through a potential difference of 6 V?
