A set of data is collected from a simple circuit with a 20 Ω resistor and is represented in the table.

The current at 5.0 V is
A.

The current at 15 V is
A.

What is the radius of the circular path ofa charged particle in a magnetic field?

Cells in the nervous system have a potential difference of 70 mv across the cell membrane separating the interior of the cell from the extracellular fluid. this potential difference is maintained by ion pumps that move charged ions across the membrane. is this an emf? select the correct answer and explanation. 1)no. the ion pumps cannot separate charges; thus, they cannot create a potential difference. 2)yes. the ion pumps cannot separate charges, but they still can create a potential difference. 3)yes. the ion pumps can actively separate charge; thus, they can create a potential difference. 4)no. the ion pumps can separate charges, but they cannot create a potential difference.

Which of the following is not an appropriate unit for acceleration? (kg/12 mihr? m/min/sec cm/30c?