What happens when you touch a metal doorknob after rubbing your shoes on the carpet

Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.

The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?