Physics, asked by kathroju58, 8 months ago

measure the resistance of a bulb (filament)in open circuit with a multimeter. make a current with elements such as bulb ,battery of 12V and a key in series.close the key . then again measure the resistance of the same bulb for every 30 seconds . record the observation in a table. what you concluded from above results

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Answers

Answered by lavanyaggee
1

After connecting battery (12 V), key in ammeter and bulb as shown in figure we measure current (I) using the ammeter and voltage using multimeter or voltmeter.

Note these values in the below table.

Measure the resistance of the same bulb for every 30 seconds.

hope it helps....

《THANKYOU》

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