Solutions

IB Physics: Solutions

1. The diagram shows a section of the distribution network from a power station. The distance from the power station to the town is 20km. The cables used are made of aluminium and have a cross sectional area of 100mm2. How many cables would have to be used in parallel to reach an acceptable power loss of 2.5% when delivering 2GW of power Resistivity of Al = 28.2 x 10-9 Ωm Solution


To access the entire contents of this site, you need to log in or subscribe to it..

Click the free stuff button on the home page to access free pages or check the blog (which is also free).

All materials on this website are for the exclusive use of teachers and students at subscribing schools for the period of their subscription. Any unauthorised copying or posting of materials on other websites is an infringement of our copyright and could result in your account being blocked and legal action being taken against you.