Which of the following causes a current in an electrical circuit?

A. resistance

B. a current difference

C. a voltage difference

D. the shape of the electrical circuit

Mrs. Roberts plants tomatoes and radishes in the areas shown in the model below. Tomatoes Radishes 35 acres 28 acres Which expression is equivalent to the sum of the two areas?

Joaquin has hockey practice at the same ice rink where Alton has curling practice. One day, they were both playing on the ice with their equipment.

What kind of energy is stored in compounds and released in reactions

What is one situation where potential energy might be useful

What state of matter that describes a substance having no defined shape

What is the frequency of 20 mm microwaves? A) 100 MHz B) 400 MHz C) 15 GHz D) 73 GHz E) 98 GHz

A measure of how much pulling, or tension, a material can withstand before breaking is - A. hardness. B. brittleness. C. tensile strength. D. malleability.

How work done against gravity can be expressed?

An electron is acted on by two electric forces, one of 2.7*10-14 N acting upward and a second of 5.8*10-14 N acting to the right. What is the magnitude of the electric field at the electron's location?

A satellite on a Low Earth Orbit is flying with a speed of 7.65 km/s. The vertical component of the Earth's magnetic field is 35.3 μT at the current location of the satellite.