In the given circuit a voltmeter $V$ is connected across the lamp $L$ . What changes would occur at lamp $L$ and the voltmeter $V$ if the resistence $R$ is reduced in value?

The bulb glows brighter and

V

increases

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The bulb is dimmer and

V

decreases

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The bulb is dimmer and

V

increases

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The bulb glows brighter and

V

decreases

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Solution

The correct option is D The bulb glows brighter and $V$ increases
As $R$ is reduced $i_{B}$ increases. So $i_{c}$ also increases and ball glass brighter.

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In the given circuit a voltmeter V is connected across the lamp L. What changes would occur at lamp L and the voltmeter V if the resistence R is reduced in value?

The correct option is D The bulb glows brighter and V increasesAs R is reduced iB increases. So ic also increases and ball glass brighter.

In the given circuit a voltmeter $V$ is connected across the lamp $L$ . What changes would occur at lamp $L$ and the voltmeter $V$ if the resistence $R$ is reduced in value?

The correct option is D The bulb glows brighter and $V$ increases
As $R$ is reduced $i_{B}$ increases. So $i_{c}$ also increases and ball glass brighter.