Advertisements
Advertisements
प्रश्न
Write symbol and state function of following component in an electric circuit :
voltmeter
Advertisements
उत्तर
Voltmeter : 
;
It is used to measure the potential difference between two points of a circuit.
संबंधित प्रश्न
Name one D.C. source and one A.C. source.
'The resistance of a wire is 1 ohm'. Explain the meaning of this statement.
How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same?
A cell of potential difference 12 V is connected to a bulb. The resistance of filament of bulb when it glows is 24Ω. Find the current drawn from the cell.
What do you understand by the term electric current?
Assuming that the charges of an electron is 1.6 × 10-19 coulombs, the number of electrons passing through a section of wire per sec, when the wire carries a current of one ampere is:
State the kind of charge on a negative ion.
What do you mean by the potential difference? Write its SI unit.
