heat product in a conductor of resistance 4.2 ohms with 10 amp.current is
Answers (2)
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R= 60 ohm
M= 42kg
I=7 A
Heat produced is
H = RI^2
= 4.2 × 10 ×10
= 420 CAL/SEC
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Comments (0)
24th May, 2018
Heat= I*r
4.2*10
42 is the answer
Comments (2)
24th May, 2018
Sorry it's I.I.r
4.2*4.2*10
176.4 is the answer
Am very sorry for the inconveniences.
4.2*4.2*10
176.4 is the answer
Am very sorry for the inconveniences.
Reply
Heat = i^2 r Here I = 10A R= 4.2 ohm Hence i^2 r = 10×10 (4.2) 420 joules per second Which gives 100 calories per second as 1 cal = 4.2 joules
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