Electricity || Physics || Solution for BLE Exam - Grade 8 || Part -02
Electricity Part -02 PHYSICS - Solution for BLE Exam You can find the solution of all the important questions asked in BLE Exam in this blog. Do not forget to share this blog with your friends. Have not got Part - 1 Yet? Click here for Part - 1 (Electricity) And here we go, Q.11) What is Earthing? Write. Answer: Earthing is a type of electrical system of connecting a wire with ground which mainly passes the leakage current and excessive current to the earth and to prevent from electric shock. Q.12) What is M.C.B.? Also write the full form. Answer: An automatically operated electrical switch which breaks the electrical circuit when excess of electricity passes through it, to prevent from the damaging of electrical appliances. Its full form is M iniature C ircuit B reaker. Q.13) Name the chemical which is used to remove polarization. Answer: The chemicals which are used to remove polarization is the concentrated solution of Potassium Dichromate (K₂Cr₂O₇) and Manganese dioxide (MnO₂)