In the given circuit diagram, a voltmeter 'V" is connected across a lamp ‘L.’. How would (i) the brightness of the lamp and (ii) voltmeter reading ‘V’ be affected, if the value of resistance ‘R’ is decreased ? Justify your answer.
As the value of the base current increases, the collector current will increase proportional
Due to the increase in collector current, voltage drop across lamp will increase.