#Cal of Resistance
#Initialization
#Resistances in ohm connected in series
R1=5
R2=5
R3=5
#Calculation
R=R1+R2+R3 #Formula for series resistors
print "The Equivalent resistance is",R,"ohm"
#Cal of Current
#initialization
V_emf=1.5 #Voltage in V
R=0.4 #Resistance in Ohm
r=0.05 #internal resistance in Ohm
#Calculation
I=V_emf/(R+r) #Formula for current with emf and internal resistance
print "The Current in the circuit is",round(I,2),"A"