#cal of current in toaster
#Initialization
V=120 #voltage in V
R=12 #Resistance in Ohm
#calculation
I=V/R
print "I=",I,"A"
from __future__ import division
#cal of current in toaster
#initialization
R=12 #Resistance in Ohm
V=100 #voltage in V
#calculation
I=V/R #ohm's Law
print "When V=100 V,I=",round(I,1),"A"
V=150 #Voltage in V
#calculation
I=V/R
print "When V=150 V,I=",I,"A"
#cal of current in toaster
#initialization
R=10 #Resistance in Ohm
V=120 #voltage in V
#calculation
I=V/R #ohm's Law
print "When R=10 ohm,I=",I,"A"
R=15 #Resistance in Ohm
#calculation
I=V/R
print "When R=15 Ohm, I=",I,"A"
#Cal of potential difference across the terminals
#Initialization
I=2 #Current in A
R=8 #Resistance in V
#calculation
V=I*R #ohm's Law
print "V=",V,"V"
from __future__ import division
#Cal of Resistance of Electric heater
#initialization
V=120 #Voltage in V
I=25 #Current in A
#calculation
R=V/I #Ohm's Law
print "R=",R,"Ohm"
#cal of unknown resistance
#initialization
#Resistances in Ohm
R1=10
R2=1000
R3=26
#calculation
Rx=(R2*R3)/R1 #Wheatstone Bridge Formula
print "Rx=",int(Rx),"Ohm"