A machinist wishes to insert a steel rod with a diameter of 7 mm into a hole with a diameter of 6.996 mm. By how much would the machinist have to lower the temperature (in °C) of the rod to make it fit the hole?

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.

What is the fate of the electrons that interact with a specimen in an electron microscope?

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