Starting from Zero, the Electric Current Takes 2 Seconds to Reach

question 64

Multiple Choice

Starting from zero, the electric current takes 2 seconds to reach half its maximum possible value in an RL circuit with a resistance R, an inductance L and a battery of emf E. How long will the current take to reach 75% its maximum value (measured from the moment when I = 0) ?

• A)8 s
• B)4 s
• C)10 s
• D)1 s
• E)2 s

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Definitions:

Urinary Retention

Retention of urine in the bladder; condition frequently caused by a temporary loss of muscle function.

Impaired Swallowing

Difficulty or inability to swallow properly, which may interfere with eating and drinking.

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Excessive bleeding or the escape of blood from a ruptured blood vessel, either internally or externally.

Acute Pain

Short-term pain that serves as a direct response to injury, disease, or inflammation, usually lasting less than six months.