Grade 1210 grade science
An electric iron a, resistance 20 Ω takes a current of 5 A Calculate the heat developed in 30 s.
An electric iron a, resistance 20 Ω takes a current of 5 A Calculate the heat developed in 30 s.
1 Answer
Harshit Singh
Dear Student
Resistance of the iron = 20 ohm
Current = 5 amp
Time = 30 seconds
Heat produced = I2RT
= 52 × 20 × 30
= 15000 joules
Thanks
Resistance of the iron = 20 ohm
Current = 5 amp
Time = 30 seconds
Heat produced = I2RT
= 52 × 20 × 30
= 15000 joules
Thanks
Other Related Questions on 10 grade science
What type of questions asked from the lesson of magnetic effect of electric current
What type of questions asked from the lesson of magnetic effect of electric current
10 grade science
Last Activity: 10 Months ago
Wavelength of green light is
A) 400-450 nm
B) 500-550 nm
C) 660-720 nm
D) 720-800 nm
Wavelength of green light is
A) 400-450 nm
B) 500-550 nm
C) 660-720 nm
D) 720-800 nm
10 grade science
Last Activity: 0 Years ago
What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?
What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?
10 grade science
Last Activity: 1 Year ago
What are the main components of our environment? Explain each of them briefly.
What are the main components of our environment? Explain each of them briefly.
10 grade science
Last Activity: 1 Year ago