Resistors in series and parallel; power

Question 15 of 15

A battery has an e.m.f. of 12V and an internal resistance of 2. The maximum power that can be taken from the battery is

  1. 18W
  2. 36W
  3. 72W
  4. 144W
1 2 3 4


Back
page (tq0315)
Some material Copyright John Bowyer G4KGS.
Click here for important Copyright information
Web Space provided by Hostroute.com Ltd
Contact details