Teaching RPSC School Lecturer Mock Test Series 2024 Physics Current, Resistance and Electricity Temperature Dependence of Resistivity
An electric toaster has resistance of 60 Ω at room temperature (27ºC). The toaster is connected to a 220 V supply. If the current flowing through it reaches 2.75 A, the temperature attained by toaster is around : (if α = 2 × 10-4 /ºC)
1
694ºC
2
1235ºC
3
1694ºC
4
1667ºC
5
Question Not Attempted