1. Department of Electrical Engineering, College of Engineering, Qassim University, P.O. Box 6677, Buraydah 51452, Saudi Arabia
2. Department of Physics, University of Management and Technology, Lahore 54000, Pakistan
3. Department of Physics, Division of Science & Technology, University of Education, Lahore 54000, Pakistan
4. Department of Chemistry, Division of Science & Technology, University of Education, Lahore 54000, Pakistan