query: What is charge?
positive_passages.docid: 28750
positive_passages.text: What is charge actually? How to define it?
negative_passages.docid: 1084
negative_passages.text: What is this type of question called?
negative_passages.docid: 155201
negative_passages.text: Why isn't there a centre of charge?
negative_passages.docid: 121355
negative_passages.text: What is the mistake?
negative_passages.docid: 143181
negative_passages.text: How does an object regain its neutrality after being charged by rubbing?
negative_passages.docid: 123316
negative_passages.text: What does  mean?
negative_passages.docid: 53385
negative_passages.text: What IS reflection?
negative_passages.docid: 118102
negative_passages.text: How does the phrase "Is something the matter?" make sense?
negative_passages.docid: 130130
negative_passages.text: How does this program work?
negative_passages.docid: 75093
negative_passages.text: What does ? in C mean?
negative_passages.docid: 142781
negative_passages.text: What exactly is a number?
negative_passages.docid: 68425
negative_passages.text: Electric charge neutrality of the Universe: evidences and theories
negative_passages.docid: 22352
negative_passages.text: ? (Definition) versus ?? (Information)
negative_passages.docid: 94729
negative_passages.text: What is the net charge of the Earth?
negative_passages.docid: 79843
negative_passages.text: Excess charge on an insulator and conductor
negative_passages.docid: 82747
negative_passages.text: How has quark electric charge been directly measured?
negative_passages.docid: 75021
negative_passages.text: What is voltage?