1.Ther eadi ngsont hepr essur escal eatt hest eam andi cepoi nt sar e800mmHgand300mmHg r espect i v el y .Det er mi net hecor r espondi ngt emper at ur ei ndegr eeCel si uswheni tr eads 450mmHg
2.Ther esi st anceofapl at i num wi r eatt hei ceandst eam poi nt sar e0. 75ohmsand1. 05ohms r espect i v el y .Det er mi net het emper at ur eatwhi cht her esi st anceoft hewi r e0. 90ohms
3.Thedi st ancebet weent hef i xedpoi ntofacent i gr adet her momet eri s20cm.Whati st he t emper at ur ewhent hemer cur yl ev el i s45cm abov et hel owermar k
4.Expl ai nt hewor ki ngpr i nci pl eofat her moel ect r i ct her momet er