erickcastillo3271 erickcastillo3271
  • 22-02-2024
  • Physics
contestada

The time taken for the magnetic energy to reach 25% of its maximum value, when a solenoid of resistance R, inductance L is connected to a battery, is:

(1) L/R ln5
(2) infinite
(3) L/R ln2
(4) L/R ln10

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