Power in Circuits Video Lessons

Concept

# Problem: An electric heater is rated 300W 110V. The safety fuse in the circuit can withstand 15 A of current. How many heaters can be safely operated in the circuit?

###### FREE Expert Solution

Power in circuits is given by:

$\overline{){\mathbf{P}}{\mathbf{=}}{\mathbf{i}}{\mathbf{V}}}$, where is current and V is voltage.

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###### Problem Details

An electric heater is rated 300W 110V. The safety fuse in the circuit can withstand 15 A of current. How many heaters can be safely operated in the circuit?