Will Form 2220 Reduced 2023-2024

So, some guy comes up to you in a dark alley and he says, "Hey kid, you want a dollar?" And you say, "Sure, Aneesa's will get me the current going through every one of these resistors." So he draws the following circuit diagram for you. There's a resistor there and then there's this funky point right here. It doesn't look so funky yet, but he's just dropping resistors all over the place, and you know it's gonna be a long evening. But you've only got 15 minutes to solve the AP problem, so you'd better get working. I mean, the problem posed by the strange guy on the street who's gonna give you a dollar if you get it right. We got resistors all over the place, so this is our first picture of this circuit diagram, and he starts giving you some numbers. Turns out he's a pretty nice guy, you talk about his kids, everything's fine. There's a 12 volt battery powering this circuit, and he wants to know what current, and I'm gonna choose myself a color here, he wants current through each thing and voltage across each resistor. So that's the language that we use, the current goes through a resistor and the voltage is across a resistor. Voltmeters would come on here, like this. I'll just draw you a voltmeter. Here's the voltmeter that comes on here, and you would connect like that. A voltmeter, an ideal voltmeter, has infinite resistance and no current. Given the choice, the current's coming out here, the current's like, "Oh, I see infinite resistance or some finite resistance." Chooses to go through the resistor. An ammeter is the opposite sort of thing. An ammeter, right here, would actually, excuse me, an ammeter would be in line with, there...