What is the SI unit of electric current?
Ampere
The SI base unit of electric current is the ampere (A), named after Andre-Marie Ampere. One ampere equals a flow of one coulomb of charge per second: \(1\,\text{A}=1\,\text{C/s}\).
Newton is the unit of force, joule of energy/work, and watt of power (\(P=VI\)) — none of these measure current itself.
Important Questions from Network Elements
The maximum safe working voltage for a series combination of two capacitors of rating 2 μF/10V and 4 μF/20V is
Seema has two bulbs, one of them is faulty. She connects both the bulbs in parallel land, not in series. Which of the following is NOT the correct reason to do this?
- The capacitance 'C' is a measure of the capacitor's potential to store energy in:
Capacitor having lowest capacitance has medium of dielectric :
The inductor is a two-terminal energy storage device whose voltage is proportional to the:
