Verification of Stefan’s law
1. The value of the current in the filament at T=800 K when applied potential difference is 5V:
2. Resistance of any conductor _______________ with increase in temperature
3. At what temperature of the filament the resistance of the filament becomes 6 times of its value at 0K?
4. Value of Rt/R 0 for 400 K lies on which range?
5. Keeping Temperature constant how the rate of energy emission from anybody depends on increasing its surface area?