http://www.physics.uoguelph.ca/tutorials/ohm/Q.ohm.intro.series.html

Relationship of current in series connected circuit.
IT = I1 = I2 =I3.

2.  Series and Parallel circuit

http://www.circuit-magic.com/series_parallel.htm

Enquivalent resistors in parallel circuit.
1\RT = 1\R1 + 1\R2 + 1\R3.

3.Ohms Law

http://www.electronicstheory.com/html/e101-10.htm

Voltage in series circuit.
VT = V1 + V2 + V3.

4.  Parallel and series resistors.

http://www.phy.mtu.edu/~suits/PH2230/par_ser.pdf

Resistors are in series if the current through them is the same.

5.  Simple series circuit

http://cwx.prenhall.com/bookbind/pubbooks/walker2/medialib/rt/pdf/dcci189.pd

Simple series circuit with various resistor and ammeter connected to measure the current .
All the combination have the same current. It has some simple question for solution.

6.  construction of series circuit
http://www.ndt-ed.org/EducationResources/HighSchool/Electricity/seriescircuit.htm

Talks about construction of series circuit.It has some questions for solution.
-Define series circuit.
-List the series components.
 

APPIAH-FEI ABRAHAM, KUMASI TECHNICAL INSTITUDE, KUMASI GHANA.