A current of 2.0 A flows through a flashlight bulb when it is connected across the terminals of a 5 V battery. What is the energy dissipated by this
bulb during 1 hour of continuous working?*

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2