A transistor is operating in the active mode. | vedclass

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(B) In the active mode of a transistor,the base-emitter junction is forward-biased and the collector-base junction is reverse-biased.Forward biasing r

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$v_1 < v_2, b_1 < b_2$

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(B) In the active mode of a transistor,the base-emitter junction is forward-biased and the collector-base junction is reverse-biased.Forward biasing reduces the potential barrier and the depletion layer width,while reverse biasing increases the potential barrier and the depletion layer width.Since the base-emitter junction is forward-biased,its potential barrier $v_1$ is low and its depletion layer width $b_1$ is small.Since the collector-base junction is reverse-biased,its potential barrier $v_2$ is high and its depletion layer width $b_2$ is large.Therefore,$v_1 < v_2$ and $b_1 < b_2$.

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