A heater operates at 920W, 230V.
(a) Calculate the current through the heater.
(b) How much heat is generated in 5 minutes?
(c) How do we change the power of heater without changing the resistance?
Answers
Answered by
0
Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
Answered by
1
Answer:
An electric heater of power 920 W is working on a 230 V supply. If current flows for 5 minutes through it, calculate the heat generated. Time = 5 mins = 5 × 60 seconds = 300 seconds. ∴ 276 kilo joules energy will be generated in the heater when the current flows for 5 mins.
Similar questions