Ask your homework questions to teachers and professors, meet other students, and be entered to win $600 or an Xbox Series X 🎉Join our Discord!

Like

Report

MH
Numerade Educator

Like

Report

Problem 40 Hard Difficulty

A $1150-\mathrm{W}$ toaster and an $825-\mathrm{W}$ microwave oven are connected in parallel to the same $20.0-\mathrm{A}, 120-\mathrm{V}$ circuit. (a) Find the toaster's resistance $R$. (b) If the microwave fails and is replaced, what maximum power rating can be used without tripping the 20.0 -A circuit breaker?

Answer

no answer available

Discussion

You must be signed in to discuss.
Top Physics 102 Electricity and Magnetism Educators
Elyse G.

Cornell University

Christina K.

Rutgers, The State University of New Jersey

Marshall S.

University of Washington

Zachary M.

Hope College

Physics 102 Electricity and Magnetism Bootcamp

Lectures

Join Bootcamp

Video Transcript

here ask for the given Do does the microwave and booster These are connected in battling and this boat give. Millions are connecting battle with the battery, which is a 1 20 world supplying 20 amperes current. So in order to calculate the value off the student resistance, we need to first right down the expression off the power with respect a toaster. So the stock with step, eh? Well, right. The expression off power with respect to toaster is PG, that is power with Inspector toaster is equal to re square upon toaster resistance. So we is the supply shortage. Anarchy stands for close to register. So the right ones coming here before we Morehead says 1 20 world is connected in battling with a toaster and microwave boy Gage Gross booster and Michael leave remains the same. Therefore, B d. That is power. With this specter, toaster music will do. B d squared up on Artie. So let's subsidies values. Now here, Petey is given as 1150 warts is equal to we is equal to There's word ish. 1 20 words Square upon toaster resistance. There is Artie. So when we calculated days, it's simply Artie's equal to 1 20 square upon 1150 words. So that comes to 12.52 homes. So we're writing comment, as has the resistance off Dick. Booster is 12.52 forms and this is our final answer for step, eh? Okay, Now let's start with the step be where we need to find out maximum power rating and be used. If, in case my crew feels so step be, we need to find we write it down. We need to find maximum power reading that can be used if in case microwave feels therefore first to find got into the dough, sir. So write down. Find current two guster Well, you simply omit so that his musical to wanting to our But here the notations will be different. That is, with respect. Toaster is going to be witty is equal to i ke into party value. Off court awarded is given as supplied water that is 1 20 world the current which we need to find out the value of RD that we have already got as 12.52 arms therefore taking a ratio. His idea is equal to 1 20 world divided by 12.52 arms right down there for the value off current flowing to the toaster is going to be 9.5 feet and beers. Let's mark this. Now we need to apply Casey Oh, at Nor to be actually in the fear. Okay, so I was the current which is entering into the north and goes to current and microwave current, which are leaving the Norby. Okay, so applying case here, that is good jobs. Current law, richest currents which are entering into the north, is equal to some of the currents which are giving the North. So I is entering an I. D. And I Am I leaving the note be so Therefore, let's put the values here that is 20 amperes is equal to 9.58 10 years. Unless I am, that is Michael Rip current. Therefore, I'm begun standpoint for Graham peers. So my crew, a parent is off to a point forward. We just write it down here that this is ah, my crew leave current for my reference. Now, next step would be we need to calculate maximum power reading, So I just write down the question maximum power rating will be said B m with this picture my career. So therefore, power is a product of war. Dejan current so right it is with respect of the M I. I. Let's put the value off the M again as it will be one to any word multiplied by eye in which we have guarded as 10 point for two and peers before the step more right down there. Four. Maximum power with respect to its rating is going to be wine. Do five Zito boy, four warts to write a final answer. You know his the maximum by where raking is approximately 1250 wards with doubt tripping 20 and beer so could break up It is asked for the question us So this is our final answer for to see

Top Physics 102 Electricity and Magnetism Educators
Elyse G.

Cornell University

Christina K.

Rutgers, The State University of New Jersey

Marshall S.

University of Washington

Zachary M.

Hope College

Physics 102 Electricity and Magnetism Bootcamp

Lectures

Join Bootcamp