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प्रश्न
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उत्तर
We know that,
P=VI= I1R
Given, P = 1200 watt , I= 5A
R = `"P"/"I"^2 = 1200/(5 xx 5) = 48 Omega`
and, V = `"P"/"I" = 1200/5` = 240 V
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संबंधित प्रश्न
The values of current I flowing in a given resistor for the corresponding values of potential difference V across the resistor are given below:
| I (amperes) | 0.5 | 1.0 | 2.0 | 3.0 | 4.0 |
| V (volts) | 1.6 | 3.4 | 6.7 | 10.2 | 13.2 |
Plot a graph between V and I and calculate the resistance of that resistor.
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