[1] School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA, Dungun,23000, Malaysia
[2] School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA, Shah Alam,40450, Malaysia
[3] Department of Physics, University of Malaya, Kuala Lumpur,50603, Malaysia
[4] Technical College, Imam Ja'afar Al-Sadiq University, Baghdad, Iraq