Advertisements
Advertisements
प्रश्न
Define the unit of current.
Define the S.I. unit of electric current.
Advertisements
उत्तर
The unit of electric current is ampere (A). When one coulomb charge flows through an electric circuit in one second, then the electric current flowing through the circuit is said to be an ampere.
संबंधित प्रश्न
An electric circuit consisting of a 0.5 m long nichrome wire XY, an ammeter, a voltmeter, four cells of 1.5 V each and a plug key was set up.
(i) Draw a diagram of this electric circuit to study the relation between the potential difference maintained between the points 'X' and 'Y' and the electric current flowing through XY.
(a) With the help of a circuit diagram, obtain the relation for the equivalent resistance of two resistances connected in parallel.
(b) In the circuit diagram shown below, find:
(i) Total resistance.
(ii) Current shown by the ammeter A
Which effect of current is utilised in an electric light bulb?
Complete the following sentence:
A fuse is connected in ........... with the ......... wire.
What is the purpose of fuse in an electrical circuit?
One unit of electrical energy consumed is equal to 1000 kilowatt-hour.
1020 electrons, each having a charge of 1.6 x 10-19 C, flows in a circuit V is 0.1s. What is the current in ampere?
