What is the SI unit of electric current?

  1. Newton
  2. Joule
  3. Ampere
  4. Watt
  5. Volt

Answer (Detailed Solution Below)

Option 3 : Ampere
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  • Ampere is the SI unit of electric current.
  • Electric current is always measured with a device called ammeter.
  • The electric charges that flow across a surface at a rate of 1 coulomb per second equal 1 ampere.
  • It is denoted by a formula, Q=It, where Q is the charge, I is steady current flowing at time t.
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