Questions:
1) Below is a simple series circuit:

a) Calculate the effective equivalent resistance of the circuit:
b) Calculate the current flowing through the circuit:
c) Calculate the potential difference across R2:
2) Below is a simple parallel circuit:

a) Calculate the effective equivalent resistance of the circuit:
b) Calculate the total current flowing through the circuit:
c) What is the potential difference across R1:
d) What is the current through R2:
3) Below is a complex circuit:

a) Calculate the effective equivalent resistance of the circuit:
b) Calculate the total current flowing through the circuit:
c) What is the potential difference across each resistor?
d) What is the current through each resistor?