CBSE Class 10 Answered
Please answer ques 3 given in the pic.
Asked by riyamaths | 31 May, 2018, 08:22: PM
Expert Answer
Bulb is getting heated up due to the power i2R dissipation, where i is current and R is resistance.
Hence the resitance value changes with temperature. But we may be usng the resitance value when the bulb is not consuming any current.
Power dissipation also changes due to change in resistance.
Answered by Thiyagarajan K | 08 Jun, 2018, 06:13: PM
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