Question

Calculate the heat developed when 2 A current flows through an electric heater working under 230 V for 10 minutes.

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Answer 1

Answer:

$276000 J\: \: or \: 2.76 \times {10}^{5} J$

Explanation:

Given⤵

• Current (I) =2A
• Potential difference (V) =230V
• Time (t) =10min=10×60=600s

To find⤵

• Heat produce (H).

Used formula ⤵

• H=VIt where, H=Heat, V=Potential difference,I=Current and t=Time

Solution⤵

➡Current (I) =2A

➡Potential difference (V) =230V

➡Time (t) =10min=10×60=600s

⚫Using formula H=VIt

➡H=230×2×600

➡H=276000J Or 2.76×10^5J.

✅Hence,the heat produce is 276000J Or 2.76×10^5J.

Extra Formula⤵

✡H=VIt

✡H=I²Rt

✡H=$\frac{V^2}{R}t$

where H= Heat, I=Current, R=Resistance and t=time

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