V=−2.6+3dThe electric potential, V, in volts, between two metal plates a distance of d millimeters from the left plate is given by the equation when 0≤d≤15. By how many millimeters does the distance from the left plate increase for the potential to increase by 1 volt?
Q. V=−2.6+3dThe electric potential, V, in volts, between two metal plates a distance of d millimeters from the left plate is given by the equation when 0≤d≤15. By how many millimeters does the distance from the left plate increase for the potential to increase by 1 volt?
Understanding electric potential: Understand the relationship between electric potential and distance.The electric potential V is given by the equation V=−2.6+3d, where d is the distance in millimeters from the left plate. We need to find out how much d needs to increase for V to increase by 1 volt.
Setting up the equation for potential increase: Set up the equation for the increase in potential.Let's say the potential increases by 1 volt, so the change in V, which we can call ΔV, is 1 volt. We want to find the change in distance, Δd, that corresponds to this change in potential. The new potential after the increase will be V+ΔV.
Writing the equation for the new potential: Write the equation for the new potential.The new potential after the increase is V+1=−2.6+3d+Δd. We need to solve this equation for Δd.
Substituting the original potential: Substitute the original potential into the new equation.We know that the original potential is V=−2.6+3d. So, we can substitute V into the new equation: V+1=V+(3Δd).
Simplifying the equation to solve for Δd: Simplify the equation to solve for Δd. Since V on both sides of the equation cancels out, we are left with 1=3Δd. To find Δd, we multiply both sides of the equation by 3.
Calculating the change in distance Δd: Calculate the change in distance Δd.Multiplying both sides of the equation by 3 gives us Δd=3×1, which means Δd=3 millimeters.
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