1. Tardigrade
  2. Question
  3. Physics
  4. A 1250 W heater operates at 115 V. What is the resistance of the heating coil?

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. A $1250\, W$ heater operates at $115\, V$. What is the resistance of the heating coil?

Delhi UMET/DPMTDelhi UMET/DPMT 2011Electromagnetic Induction

Solution:

Given, $V=115\, V$
and $P=1250\, W$
We know,
$R=\frac{V^{2}}{P}$
So, $R=\frac{(115)^{2}}{1250}$
$=10.58\, \Omega$
$R= 10.6\, \Omega$