Let’s consider the case where if current passing through any resistor exceeds 7.5 mA, the resistivity begins to change permanently. We can characterize this relationship as ρ(t) = ρ0(1+ kt2). (ρ0 is the resistivity below 7.5 mA and k = 1/4s-2 and t is time in seconds). Determine the total resistance seen by current source in 2 seconds.
The question belongs to Physics and it discusses about calculating the total resistance seen by a current source in 2 seconds.
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