pandabear299 pandabear299
  • 28-01-2024
  • Physics
contestada

When 10V, DC is applied across a coil, the current through it is 2.5 A. If 10V, 50Hz AC is applied, the current reduces to 2 A. The reactance of the coil is ____ ohms.

a) 1.25
b) 2.5
c) 3.0
d) 4.0

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