Answer is B. 10K (when come low current(voltage) to transistor. transistor will allow high current from collector to emitter or emitter to collector. so, when come high (voltage) to dc motor it will rotate fast)
Answer is B. 10K (when come low current(voltage) to transistor. transistor will allow high current from collector to emitter or emitter to collector. so, when come high (voltage) to dc motor it will rotate fast)
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