Electric potential of the Earth is taken as zero because the earth is a good? A. Insulator B. Conductor C. Semiconductor D. Superconductor Right Answer: B. Conductor Share : December 27, 2017 Hassan Ali Physics Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -The speed of sound in hydrogen is _________ time than that in oxygen.The ratio of e/m of a proton to that of an alpha particle is?Systolic pressure is called?