a current of 5.00 A. The density of aluminum is 2.70 g/cm3. Assume each aluminum atom supplies one conduction electron per atom. Find the drift speed of the electrons in the wire. 12. A lightbulb has a resistance of 240 when operating with a potential difference of 120 V across it. What is the current in the lightbulb? 13. An electric heater carries a current of 13.5 A when operating at a voltage of 120 V. What is the resistance of the heater? 18. Aluminum and copper wires of equal length
Premium Electron Electric current Electric charge
reactive than___ a) Lead b) Zinc c) Platinum d) Both (a) and (b) 11. The atomic number of natural radioactive element is __ a) 82 c) Not defined d) at least 92 12. Kilowatt-hour is the unit of ___ a) Potential difference b) Electric power c) Electric energy d) Charge 13. The potential difference required to pass a current 0.2 A in a wire of resistance 20 ohm is ___ a) 100v b) 4v
Premium Atom Oxygen
‘Compare the nature and rate of change that affect the functioning of TWO different ecosystems at risk.’ An ecosystem is the dynamic complex of plant‚ animal and micro-organism communities and their non-living environment as a functional unit. Ecosystems are systems through which incoming solar energy is captured and channelled through a hierarchy of life forms. Each ecosystem has its own characteristic plant and animal community. Nature of change refers to the natural or human induced change
Premium Ecosystem Coral Coral reef
N09/4/PHYSI/SPM/ENG/TZ0/XX+ 88096504 Physics standard level PaPer 1 Monday 16 November 2009 (afternoon) 45 minutes INSTRUCTIONS TO CANDIDATES • Do not open this examination paper until instructed to do so. • Answer all the questions. • For each question‚ choose the answer you consider to be the best and indicate your choice on the answer sheet provided. 8809-6504 16 pages © International Baccalaureate Organization 2009 – 2 – 1. N09/4/PHYSI/SPM/ENG/TZ0/XX+ The
Premium Potential energy Mass Energy
After the completion of Seven Habits Profile I reflected on the profile and my potential leadership practices. Some of the categories that I scored outstanding in did not surprise me as some mirror my values and what is important to me. Category 3 discusses being proactive and choosing to live believing that one is primarily in control of their own life. Having a proactive approach in the workplace is important for success because it allows one to act in advance of future events. Being reactive as
Premium Ethernet Management
Task 3 P3 - The potential effects of discrimination There are lots of potential effects related to discrimination. It includes things like disempowerment‚ low self-esteem and self-identity and also marginalisation. I am now going to explain these effects and connect them with a case study. Disempowerment is when a person or group of people may be made to feel less powerful or confident. Some people may try to fight against the discrimination causing an argument but many people do not and they lose
Premium Health care Self-esteem Emotion
Everyone makes mistakes – they are one way of learning. It is important not to waste your mistakes‚ so if something has gone wrong‚ make sure you learn from it. Discuss problems and mistakes with your supervisor‚ and work out how to do things differently next time. You can use reflective skills in order to learn from situations that have not worked out the way you planned. It is important that you consider carefully why things turned out the way they did and think about how you will ensure
Premium Learning Skill Knowledge
Mobile Phones as a Health Hazard These days the Technology is increasing so much that we all people are dependent on the machines which many engineers have made. These entire software machines are not always useful in your lives but on the other hand are dangerous and hazardous. The attraction towards all this things can be an addiction which will in future never be removed from our body. The mobile phones is one of the inventions. The students studying in schools
Premium Mobile phone Education Teacher
FLIRTING WITH RISK December 10 2012 Lecturer; Murat ERTUĞRUL Students ; 1.Enver ÖZTÜRK 18230741938 2.Erdinç ANAY 23326952518 3.Ramadan YALÇIN 38051102954 4. Demet BARIŞ 17492112456 FLIRTING WITH RISK 1. Imagine you are Bill. How would you explain to Mary the relationship between risk and return of individual stocks? As the risk increases the potential return increases as well. In order to get higher returns one needs to invest in riskier assets. In
Premium Investment
SAFETY‚ RISK‚ RELIABILITY - TRENDS IN ENGINEERING MALTA 2001 Risk Assessment and Risk Communication in Civil Engineering Ton VROUWENVELDER Professor TNO/TU Delft Delft‚ The Netherlands Roger LOVEGROVE Mathematician BRE Watford‚ UK Gerard CANISIUS Civl Engineer BRE Watford‚ UK Milan HOLICKY Civil Engineer Klockner Institute Prague‚ Czech Rep. Peter TANNER Civil Engineer CSIC Madrid‚ Spain Summary This paper summarises parts of a study carried out by Working Group WG32 of CIB into presently
Premium Risk Risk management