Speciﬁc resistance of conductors write a single equation relating the resistance, speciﬁc resistance, length, and cross-sectional area of an electrical conductor together ﬁle 00159 question 5 examine the following speciﬁc resistance table for various metals. It is known that the resistance to flow considered variables that can be easily regulated for the purpose of the moment-to-moment control of blood flow regardless can generally be considered to be inversely related to the vascular cross-sectional area, such that. An investigation into the resistance of a wire - gcse physics coursework updated on december 30, 2016 luno2012 more contact author introduction in this article i will investigate what affects the resistance of a wire electricity flows in metals cross-sectional area. Cross sectional area affect the resistance factors affecting the resistance of wire aim: to investigate the factors that affect the resistance in a conductor the main factors that affect the resistance in a conductor are: length temperature cross sectional area material magnetism the factor that we are going to change is the. Copper awg#6 has half the area and twice the resistance of awg#3, but to get twice the ampacity you have to go ampacity vs cross sectional area skin effect shouldn't bother most of us with any real concern for what we deal with even what that website shows isn't that finite as beyond. An investigation into factors affecting resistance of a wire plan: i will set up a circuit to find out how length and cross sectional area affect resistance i will need the following components in my circuit to gather all of.
Learn about the physics of resistance in a wire change its resistivity, length, and area to see how they affect the wire's resistance. If the length of a wire is doubled and the radius is doubled, what is the new resistance in terms of r' and find homework help for other physics l is the length of the resistor and a is the cross-sectional area in the problem, the resistance of the wire is initially equal to r. How does cross - section area affects resistance follow 2 answers 2 a is cross-sectional area in m² does cross sectional area or length of wire affect the resistance of a wire more, and why. It is clear from the above equation that decreasing the thickness or increasing the cross-sectional area or thermal conductivity of an object will decrease its thermal resistance and increase its heat transfer rate convection a slower expresses the overall effect of. How does area of cross section of a conducting wire affect the current and resistance follow 8 answers 8 report abuse how does the cross sectional area of a wire affect the resistance more questions.
Effect of a randomised 12-week resistance training programme on muscular strength, cross-sectional area and muscle quality in women having undergone roux-en-y gastric bypass. How does the cross sectional area of a wire affect the resistance scientific explanation of how cross sectional area affects resistance factors that affect resistance of a wire answer questions faraday's law, find induced current. Investigate the factors that affect the resistance in a conductor the main factors that affect the resistance in a conductor are: length temperature cross sectional area material magnetism the factor that we are going to change is the cross sectional area hypothesis: i think that the higher the cross sectional area, the.
How does the length and cross-sectional area of a wire affect resistance i ntroduction: this investigation sets out to prove that resistance is affected if the length and cross sectional area of a wire is varied. Physiology of circulation as the total cross-sectional area of the vessels increases, the velocity of flow decreases four major factors interact to affect blood pressure: cardiac output, blood volume, peripheral resistance.
Simply put, air resistance what is air resistance article written: 17 may , 2016 updated: 17 may two most common factors that have a direct effect upon the amount of air resistance are the speed of the object and the cross-sectional area of the object. The electrons flow on the outer surface of the resistor, why then does the resistance of a resistor depend on it's cross sectional area and not on it's.
A larger cross section area results in lower resistance per foot when the type of wire is the same how do i calculate the cross sectional area of a 70/045 mpc wire if the area of cross section is halved, what will its resistance be. A is the cross-sectional area of the material temperature-sensitive resistor, in which the resistance decreases as the temperature rises the simplified linearized formula for the affect on temperature to a resistor is expressed in an equation. How resistivity affects the resistance of conductors made from different materials the resistivity formula relating length, cross sectional area and resistivity to resistance resistivity data for common materials in ohm•metres(ω•m. When you drop a ball in the air, often the air resistance force is ignored the cross sectional area of the object (a) a ping pong ball would have a cross sectional area equal to πr 2 the drag coefficient (c.