An ammeter (from ampere meter) is a measuring instrument used to measure the current in a circuit. Electric currents are measured in amperes (A), hence the name. The ammeter is usually connected in series with the circuit in which the current is to be measured.
2) Which instrument is used to measure electric current?
Ammeter
Related Floor MCQ with Answers
18
18 electrons are there in the third shell of copper atom.
Copper
Key Properties of Copper
Excellent heat conductivity.
Excellent electrical conductivity.
Good corrosion resistance.
Good biofouling resistance.
Good machinability.
Retention of mechanical and electrical properties at cryogenic temperatures.
Non-magnetic
Cleat wiring
Cleat wiring comprises of PVC insulated wires or ordinary VIR that are braided and compounded. They are held on walls and ceilings using porcelain cleats with groves, wood or plastic. Cleat wiring is a temporary wiring system, therefore making it unsuitable for domestic premises.
Coulomb
The unit of quantity of electricity is called the coulomb.
A coulomb is the quantity of electricity which passes any point in a circuit in 1 second when a steady current of 1 ampere is flowing. It follows that the total quantity of electricity Q, in coulombs, which passes any point in an electric circuit is given by multiplying the current I, in amperes, by the time t, in seconds.