A transformer primary has 100 V and 2 A. What is the voltage if the secondary has a current of 1 A?

100 V

25 V

400 V

50 V

200 V

Write a comparison of the current in three bulbs of increasing resistance connected in a series arrangement.

The index of refraction of a transparent substance is 1.7, and the speed of light in air is 3.00 · 108 s. Calculate the speed of light in the transparent substance.

A force of 660 n stretches a certain spring a distance of 0.300 m. what is the potential energy of the spring when a 70.0 kg mass hangs vertically from it?

What 2 things need to be known about an object in order to determine its kinetic energy?

An object of mass M is dropped near the surface of Earth such that the gravitational field provides a constant downward force on the object.

A teacher has asked four students to state a scientific theory. Which student is correct?

What are the two main currents that affect the US on the east and west coast?

What role do volcanoes play in the flow of energy and cycling of matter on earth?

How does uniform linear motion differ from uniform circular motion?

A metal underground water pipe that is in direct contact with the Earth for? or more is a code-recognized as a grounding electrode and must be included in the grounding electrode system.