Science Quiz 193
{“questions”:{“kzlao”:{“id”:”kzlao”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which of the following is a vector quantity?\r\n”,”desc”:””,”hint”:””,”answers”:{“iywej”:{“id”:”iywej”,”image”:””,”imageId”:””,”title”:”Magnetic potential”},”jgd03″:{“id”:”jgd03″,”image”:””,”imageId”:””,”title”:”Flux density”},”au7t7″:{“id”:”au7t7″,”image”:””,”imageId”:””,”title”:”Relative permeability”},”f5nie”:{“id”:”f5nie”,”image”:””,”imageId”:””,”title”:”Magnetic field intensity”,”isCorrect”:”1″}}},”yjg0u”:{“id”:”yjg0u”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Magnetism of a magnet can be destroyed by?\r\n”,”desc”:””,”hint”:””,”answers”:{“llf19”:{“id”:”llf19″,”image”:””,”imageId”:””,”title”:”Heating\t”},”k216n”:{“id”:”k216n”,”image”:””,”imageId”:””,”title”:”Hammering”},”7hbdf”:{“id”:”7hbdf”,”image”:””,”imageId”:””,”title”:”By inductive action of another magnet”},”27h38″:{“id”:”27h38″,”image”:””,”imageId”:””,”title”:”By all above methods”,”isCorrect”:”1″}}},”n12ai”:{“id”:”n12ai”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Strength of an electromagnet can be increased by?\r\n”,”desc”:””,”hint”:””,”answers”:{“4mts3”:{“id”:”4mts3″,”image”:””,”imageId”:””,”title”:”Increasing the cross-sectional area”},”7a61p”:{“id”:”7a61p”,”image”:””,”imageId”:””,”title”:”Increasing the number of turns”},”bklv3″:{“id”:”bklv3″,”image”:””,”imageId”:””,”title”:”Increasing current supply”},”ew5d6″:{“id”:”ew5d6″,”image”:””,”imageId”:””,”title”:”All above methods”,”isCorrect”:”1″}}},”nb36x”:{“id”:”nb36x”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”A magnetic field exists around?\r\n”,”desc”:””,”hint”:””,”answers”:{“wizyh”:{“id”:”wizyh”,”image”:””,”imageId”:””,”title”:”Copper\t”},”29nqo”:{“id”:”29nqo”,”image”:””,”imageId”:””,”title”:”Aluminium”},”oe1ln”:{“id”:”oe1ln”,”image”:””,”imageId”:””,”title”:”Moving charges”,”isCorrect”:”1″},”0ndfr”:{“id”:”0ndfr”,”image”:””,”imageId”:””,”title”:”None”}}},”0609k”:{“id”:”0609k”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”When an.