Physics 1.9: 3.2.1 Current and Resistance

Assuming that this diagram of a battery represents part of a continuous circuit, in which directions are the current and flow of electrons?

Which part of this image represents a conductor?

Which part of this image represents an insulator?

Copper has a lower resistivity than tungsten. Which hose is a better model for copper wire?

How much voltage is required to run 0.020 A of current through a 45 Ω resistor in a computer circuit? (V = IR)

The batteries in a flashlight have a total voltage of 3 V. The current measured between the positive and negative sides of the battery is 1.1 A. What is the resistance in the circuit in the flashlight? (V = IR)

Which two statements about power are true? (P = IV)

A television plugs into an outlet with a voltage of 120 V and has an electric current of 1.2 A. How much power does the television use? (P = IV)