An electric current ___? transfers electric charges in an Instant

requires a circuit in which charges can flow

flows from one end of a straight wire to the other

flows from north to south poles of a magnet​

Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?

The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?