Answer :
Given
Resistance of the heater, R=48 ohm
Voltage , V=240 V
To find
The power of the heater
Explanation
The power is given by
[tex]P=\frac{V^2}{R}[/tex]Putting the values,
[tex]P=\frac{240^2}{48}=1200\text{ W}[/tex]Conclusion
The power is 1200 W