Physics - E&M: Ch 41.3 Ohm's Law & Resistor Circuit Understood (15 of 27) P=60W I=? R=? Light Blub

In this video I will find out if the current and resistance is less in a circuit with a lower rated light bulb. So I will find the current, I=?, and resistance, R=?, of a light bulb rated at P=40W in a circuit with an 100V battery supply.

Next video in this series can be seen at:

[MS-oyvo]

I had a question and this video answered it clearly, although it wasn't the easiest to find. Many thanks!

[Anonymous-qgix]

can we use (P=IV) and (P=I^2.R) alternatively?

what will the case be if it was an AC circuit ?

thanks

[worldacademy]

But from the equation ( P=I^2R) power and Resistor have direct relationship. Why not when one increase or decrease the others do so ??

[chiragjain]

After this please continue the astronomy series

[worldacademy]

But from the equation ( P=I^2R) power and Resistor have direct relationship. Why not when one increase or decrease the others do so ??