Question 11 MarkDue to the energy of the lightning, the oxygen in the air is converted into.(lightning conductor,ozone)AnswerozoneView full question & answer→
Question 21 MarkThe is a device used for protection from a lightning strike.(lightning conductor,gold leaf electroscope)Answerlightning conductorView full question & answer→
Question 31 MarkThe gas protects us from the harmful ultra violet rays coming from the sun.(ozone,gold leaf electroscope)AnswerozoneView full question & answer→
Question 41 MarkLightning is a form of.(electric charge,gold leaf electroscope)Answerelectric chargeView full question & answer→
Question 51 MarkA simple device is used to detect the electric charge on an object.(Thomas Brown,gold leaf electroscope)Answergold leaf electroscopeView full question & answer→
Question 61 MarkThe electric charge generated by stays only as long as the charged object is near to it.(Thomas Brown,induction)AnswerinductionView full question & answer→
Question 71 MarkThe property of amber to attract things was named electricity by in 1646 AD.(Thomas Brown,Repulsion)AnswerThomas BrownView full question & answer→
Question 81 Markis used as a test for identifying an electrically charged object.(attract,Repulsion)AnswerRepulsionView full question & answer→
Question 91 MarkElectrically charged objects uncharged objects.(attract,electron)AnswerattractView full question & answer→
Question 101 MarkThe charges of electricity are absorbed in moist air.(static,electron)AnswerstaticView full question & answer→
Question 111 MarkAmber is called in the Greek language.(neutral,electron)AnswerelectronView full question & answer→
Question 121 MarkEach atom is electrically.(neutral,Benjamin Franklin)AnswerneutralView full question & answer→
Question 131 MarkEach atom contains a stationary charge and moving charges.(positive, negative,Benjamin Franklin)Answerpositive, negativeView full question & answer→
Question 141 Marknamed the electric charges as positive charge and negative charge.(always repulsion,Benjamin Franklin)AnswerBenjamin FranklinView full question & answer→
Question 151 MarkA ……………… canbe detected with an electroscope.(always attraction,charged object)Answercharged objectView full question & answer→
Question 161 MarkThere is …………………. when opposite electric charges come near each other.(always attraction, Steel)Answeralways attractionView full question & answer→
Question 171 Mark……………… does not get electrically charged easily by rubbing.(displacement of negative charge, Steel)AnswerSteelView full question & answer→
Question 181 MarkA lightning conductor is made of a ……………… strip.(displacement of negative charge, copper)AnswercopperView full question & answer→
Question 191 Mark…………. is responsible for generation of electric charge in an object.(displacement of negative charge, always attraction)Answerdisplacement of negative chargeView full question & answer→
Question 201 MarkThere is ………….. between like charges.(always repulsion, always attraction)Answeralways repulsionView full question & answer→