Class 12 Physics

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NCERT Solutions for Class 12 Physics updated for CBSE academic session 2021-2022.

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A heating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A which settles after a few seconds to a steady value of 2.8 A. What is the steady temperature of the heating element if the room temperature is 27.0 °C? Temperature coefficient of resistance of nichrome averaged over the temperature range involved is 1.70 × 10⁻⁴ °C⁻¹

Class 12 Physics CBSE and UP Board Current Electricity Exercise 3 Chapter-3 Exercise 3.8 NCERT Solutions for Class 12 Physics Chapter 3

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Class 12 Physics CBSE and UP Board Current Electricity NCERT Solutions for Class 12 Physics Chapter 3 Exercise 3 Chapter-3 Exercise 3.7

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Class 12 Physics CBSE and UP Board Current Electricity Exercise 3 Chapter-3 Exercise 3.6

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Class 12 Physics CBSE and UP Board Current Electricity NCERT Solutions for Class 12 Physics Chapter 3 Chapter-3 Exercise 3.5

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Class 12 Physics CBSE and UP Board Current Electricity NCERT Solutions for Class 12 Physics Chapter 3 Chapter-3 Exercise 3.4