# New post in Power

## Power in Series and Parallel circuits

November 8th, 2022

## Calculating the power of a lightbulb

November 14th, 2020

## Power loss and Joule's law of heating

November 30th, 2020

May 2nd, 2020

March 16th, 2020

## Transformers: relation between their current, voltage and resistance

December 15th, 2020

March 10th, 2020

## In the equation "Power=Force . Velocity", if velocity is considered constant, how can force exist?

February 10th, 2020

## Question about the relationship between resistive drag, dissipated power, and velocity

December 21st, 2020

## If a propane torch is rated at 200,000 BTUs, what does this translate to in terms of joules/second?

November 28th, 2020

August 1st, 2022

August 1st, 2022

August 1st, 2022

## How much power and energy is (actually) in a 230 dB "click" from a whale?

January 7th, 2022

## Intuitively, Why is Power Proportional to $I^2R$

January 20th, 2020

August 1st, 2022

August 1st, 2022

## $\rm Lux$ and $W/m^2$ relationship?

October 23rd, 2021

## Why doesn't increasing resistance increase brightness if $P=I^2\cdot R$

August 1st, 2022

January 26th, 2020

## Why high voltage transmission lines?

September 11th, 2020

## Voltage and Current in transformers

January 29th, 2020

August 1st, 2022

## Contradiction in Ohm's Law and relation $P=VI$

December 4th, 2020

August 1st, 2022

## Are energy and work the same thing?

August 26th, 2021

## Why is "work done/time taken" correct over "force × velocity" as a definition of power? (A level)

August 13th, 2021

June 3rd, 2020

June 17th, 2020

## why aren't there nuclear powered aircraft?

October 8th, 2020