Physics quiz by Rupali Chugh This quiz contains 5 multiple choice questions on physics. No negative marking. Each right answer will get you 10 marks Rupali published on May 30, 2020 Stacked 1/5 What is the full form of LED? Light Enriched diode Limit Enriched diode Light emitting Diode Limit emitting diode 2/5 What is the unit of magnetic flux? Tesla Weber per metre square Ampere Volt 3/5 What is the charge on n type semiconductor? Negative Positive Neutral Both 4/5 What is the principle of transformer? Mutual induction Calorimetery Lenz law Ohm law 5/5 What is lepton number of proton? 1 -1 0 2