Homework 2

This set covers some basic circuit concepts.

Your Basic Toaster Oven

A toaster oven has a resistance of 24$\Omega$.

Question 1

At a voltage of 120V, what is the current through it?

V= 120 R= 24 V/R

In [3]:
# Question 2

How many watts of power does it draw?

V= 120
I= 5
V*I

LoadError: syntax: extra token "many" after end of expression
while loading In[3], in expression starting on line 3

Question 3

Draw your idea of a simple circuit model of the toaster oven and the voltage source. (Take a picture and upload and link.)

In [4]:
# Question 4

How much current does a toaster oven with a resistance of 12$\Omega$ draw?

V=120
R=12
V/R

Object `draw` not found.
Out[4]:
10.0
In [5]:
## Question 5

How much power does this toaster oven draw?
V=120
I=10
V*R

Object `draw` not found.
Out[5]:
1440
In [8]:
## Question 6

Assuming it takes 1 minute to toast two pieces of bread using the toaster oven with a resistance of 12$\Omega$, and electricity costs $0.13/kWh, what is the cost of the electricity used to toast two pieces of bread?
P=1.440
t=0.0333
c=0.13
P*t*c

Object `bread` not found.
Out[8]:
0.0062337600000000005