Need help with electricity
A 12V battery has an internal resistance of 6Ω.
a) If this battery is connected to a 10Ω load, calculate the power dissipated by the load. [2]
b) Draw a graph showing how the terminal voltage of the battery and the current it can supply vary with load. [4]
c) Derive a value for the maximum power this battery can deliver. What load resistance should be applied to the battery for this to occur?
I don't know how to do part b and c and I got an assignment to handle tomorrow morning.
a) If this battery is connected to a 10Ω load, calculate the power dissipated by the load. [2]
b) Draw a graph showing how the terminal voltage of the battery and the current it can supply vary with load. [4]
c) Derive a value for the maximum power this battery can deliver. What load resistance should be applied to the battery for this to occur?
I don't know how to do part b and c and I got an assignment to handle tomorrow morning.
for b you'll select a range of values for the load resistor and calculate the current and Pd across the load at each resistance... then plot the results on a graph.
I'd suggest picking a range that starts lower than the internal resistance and ends higher than the internal resistance with some reasonable number of points
I'd suggest picking a range that starts lower than the internal resistance and ends higher than the internal resistance with some reasonable number of points
Quick Reply
Related discussions
- isaac physics question
- Can i do an electrical engineering degree with a college diploma
- Help with (AQA) Thermal Physics / Electric Fields A-Level question?
- Is it allowed to have your own coffee machine in your own room?
- Heating gone bust
- How do I find the electric potential and field strength between two point charges?
- Mechatronics or EEE
- GCSE chemistry help!!
- Is Computer Science still a valued degree?
- PAT testing
- Should I choose Aerospace or Electrical/Electronics ?
- Coulomb’s Law
- Physical properties
- Careers advice electrician vs electrical engineering
- Lancaster or MMU (Electrical engineering)
- Degree Apprenticeship
- Electricity is mindboggling
- Physics, computer science or electrical engineering?
- Bath engineering
- Mechatronics. Which university ?
