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Step 1 of 1 5.035P The dc bias current is, Here, kn is the transconductance parameter Wis the width of the channel L is the channel length is the overdrive voltage The output resistance, is, Substitute W As both W and L are , there is no change in the ratio, The overdrive voltage is halved. Determine the new output resistance. Thus, when both Wand L are quadrupled and overdrive voltage is halved, the output resistance increases by a factor of 4