Recent content by sallyishyper

I know that a dielectric constant is the ratio of the permittivity of a substance to the permittivity of free space. It is an expression of the extent to which a material concentrates electric flux, and is the electrical equivalent of relative magnetic permeability. or in english terms: A...

potential difference? Homework Statement picture shown in attachment The sliders are at the mid-point of the potential dividers. 1. Find the potential difference recorded by a digital voltmeter of infinite resistance connected as the voltmeter V in each circuit. 250/2 = 125...

I have done 1, i can't get the right answer for question 2. i seem to be getting minus7.5 volts. i know that's not anywhere near right because you can't get a minus voltage. i have tried many different ways to do this and i still can't get the right answer To get question 1 i used ohms law...