Investigating the resistance of a wire. Planning For this investigation there are a number of variables that can be chosen to change or keep the same‚ these are: · Length of the wire. · Diameter of the wire. · Type of the wire. · Temperature of the wire. Scientific explanation. All electrical conductors resist current through them to some extent. This is resistance and this affects the size of the current flow. The main dependence of resistance are: § It’s Length. § It’s Thickness
Premium
DRAWING GUIDELINES Shaping Space DRAWING GUIDELINES Types of drawin Freehand drawings‚ paintings or sketches These are good for recording the general visual effect of a building or for making personal statements about how you feel about a place. They can be of any size and in any medium you like. Scale drawings on graph paper These are useful for preliminary drawings‚ for recording measurements a s you carry out a survey‚ or for planning furniture layouts in rooms or buildings which have
Premium Technical drawing Drawing
A drawing board (also drawing table‚ drafting table or architect’s table) is‚ in its antique form‚ a kind of multipurpose desk which can be used for any kind of drawing‚ writing or impromptu sketching on a large sheet of paper or for reading a large format book or other oversized document or for drafting precise technical illustrations. The drawing table used to be a frequent companion to a pedestal desk in a gentleman’s study or private library‚ during the preindustrial and early industrial era
Premium Technical drawing
Chapter 3 and Chapter 4 study guide Chapter 3 1. Early agricultural Society in Africa Climatic change and the Development of Agriculture in Africa After last ice age‚ Sahara desert- grassy‚ lakes Humans hunt cattle‚ collect wild grains‚ fish East Sudan- people eventually domesticated cattle‚ establish permanent settlements‚ cultivate sorghum (grain) West Sudan- cultivate yam Agriculture success- Sudanic form monarchies ruled by kings Buried kings and executed royal servants- meet king’s
Premium Nubia Ancient Egypt Nile
Chapter 4 2. Why do economists use percentages rather than absolute amounts in measuring the responsiveness of consumers to changes in price? Why do economists use percentages rather than absolute amounts in measuring the responsiveness of consumers to changes in price? Economists use percentages rather than absolute amounts for two different reasons. The first reason for using percentages rather than absolute amounts has to do with the affect a particular amount can have on demand.
Premium Price elasticity of demand Supply and demand Elasticity
Practice Exam Chapter 8 I have put the questions we may not get to for this exam at the end of the practice exam) 1. How many lone pairs of electrons are assigned to the sulfur atom in H2S? a) 0 b) 1 c) 2 d) 3 e) 4 2. Which of the following is a correct Lewis structure for nitrous acid‚ HNO2? 3. The central atom in PH3 is surrounded by a) three single bonds and no lone pairs of electrons. b) three single bonds and one lone pair of electrons. c) three single bonds and two lone
Free Chemical bond Covalent bond Atom
Ortiz‚ Charity APES Period 2 January 23rd‚ 2013 Chapter 8 - Community Ecology 1. The species of equilibrium model/theory of island biogeography states that there is a balance between two factor which determine the number of different species found on the land: the rate at which new species immigrate and the rate at which existing species become extinct. Native species are those that live and thrive in a particular community. Nonnative species‚ invasive species‚ and alien species are those that
Premium Ecology Biodiversity Natural environment
objects toward itself. 2. Inertia-An object at rest stays at rest 3. Potential Energy-The energy that an object has stored inside. 4. Kinetic Energy-Energy developed in an object while in motion. 5. Friction- 6. Traction- 7. Centrifugal Force- 8. Centripetal Force-Force that is directed to the center of the curvature. 9. Deceleration- To slow down. 10. Force of impact-The force an exerted when objects meet. Module 4: Signs‚ Signals & Pavement Markings 1. Explain the purpose of the following
Premium Classical mechanics Force ARIA Charts
Good evening class. Welcome to our version of Acco 400. Our assigned topic is chapter 4 – efficient market securities. We will be asking questions throughout our presentation and we have prepared a small pop quiz at the end to help get you some participation marks. And I’ll start by introducing our group to the class. My name is Kristina this is Chris‚ Yuanhao‚ Johnathan and Victoria. Here’s a Brief overview of what we will be talking about…. Now let’s begin the lecture…..chris the floor
Premium Financial markets
Chapter 8 The Money Markets 8.1 Multiple Choice 1) Activity in money markets increased significantly in the late 1970s and early 1980s because A) of rising short-term interest rates. B) of regulations that limited what banks could pay for deposits. C) of both (A) and (B) of the above. D) of neither (A) nor (B) of the above. Answer: C 2) Money market securities are A) short-term. B) low risk. C) very liquid. D) all of the above. E) only (A) and (B) of the above. Answer: D 3) Money market instruments
Premium Bank Interest rate Monetary policy