General Knowledge MCQs, JUNIOR CLERK (BPS 11) PUNJAB PUBLIC SERVICE COMMISSION (S&GAD) 2016, PPSC Solved Past Papers MCQsThe cheapest source of electricity is in at present is: Posted on September 17, 2021 by Aban CheemaA. Hydel B. Nuclear C. Solar D. ThermalShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)