PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo
a. What is meant by electric current?
  • An electric current is generated by the through any conductor like copper wire.
  • In other words,  generate an electric current.
  • The direction of the current is always from the  to the  of the battery through a conducting wire.
b. Name and define its unit.
  • Electric current is a  quantity.
  • The SI unit of the electric current is .
  • One ampere is defined as the amount of current flowing through any cross-section of a conductor when  of charge flows through it in .
c. Which instrument is used to measure the electric current? How should it be connected in a circuit?
  • An  is an instrument used for measuring electric current in a circuit.
  • It is always connected in  to measure current.
  • The electric current is measured in the units of .