If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Voltage and work


A cell with voltage, V, start subscript, start text, c, e, l, l, end text, end subscript, equals, 5, point, 0, space, start text, V, end text, borrows from its reserve of chemical energy to move a net charge, q, equals, 12, space, start text, C, end text, between its terminals.
What is the work done by the cell, W, to move the charges?
W, equals
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
start text, J, end text