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Electric Circuits: Current, Resistance, and Ohm's Law — Homework
Show which form of Ohm's law (or which power formula) you are using for each part.
- 1.A 6 V battery is connected across a 2 ohm resistor. Find the current and the power dissipated.
- 2.A large appliance draws 2 A when connected to a 240 V outlet. Find its resistance.
- 3.Find the current drawn by a 60 W bulb designed for 120 V.
- 4.Using the water-pipe analogy, explain what happens to the current through a fixed resistor if the applied voltage is doubled.
- 5.Explain, using Ohm's law, why household wiring uses thick, low-resistance wires, and why a damaged or overly thin wire can be a fire hazard.
🌲 Homeschool of the FutureEleventh Grade · Science · week 31 homework