An instrument that produces an electric current in the presence of a radioactive substance is called a
a. particle accelerator.
b. Geiger counter.
c. cloud chamber.
d. bubble chamber.

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.