an electric iron takes a current of 5A and develops 1.5×10^4J of heat energy in 30s.calculate the resistance of the electric iron
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Answered by
40
HELLO THERE!
Let's analyze the given data:
Resistance (R) = 20Ω
Current (I) = 5 A
Time for which the current flows (t) = 30 seconds.
Now, Heat energy formed = I²Rt
= (5)² × 20 × 30 Joule
= 25 × 600 J
= 15000J.
HOPE THIS HELPS..
Thanks (^_^)!
Let's analyze the given data:
Resistance (R) = 20Ω
Current (I) = 5 A
Time for which the current flows (t) = 30 seconds.
Now, Heat energy formed = I²Rt
= (5)² × 20 × 30 Joule
= 25 × 600 J
= 15000J.
HOPE THIS HELPS..
Thanks (^_^)!
kpushpendra693:
Hii
Answered by
30
Heya mate
hope it helps...
I have made it from joules law of heating effect..
hope it helps...
I have made it from joules law of heating effect..
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