NOTE THAT ^ MEANS "RAISE TO POWER SIGN" (1v) Tabulate SN: 1, 2,3,4,5 h(m): 0.2295,0.19125,0.1643,0.1327,0.0765 h(cm): 22.95,11.13,16.43,13.28,7.65 L(cm): 2.70,2.90,3.10,3.40,3.55 L(cm): 2.80,2.90,3.00,3.15,3.60 e(cm): 3.25,3.10,2.95,2.73,2.43 e^2(cm): 10.56,9.61,8.70,7.43,5.88 (1ix) a.) i will ensure the spring is not slanted to avoid error of reading length L b.) i will avoid error of parallax due to reading the instrument. (1bi) Given, Force constant(K)= 300N/m Extension(e)= 3.0cm = 0.03m Energy stored (E)= 1/2Ke^2 E= 1/2 *300*0.03*0.03 E = 150*0.03*0.03 E =0.135J (1bii) F1/L1-Lo = F2/L2-Lo = F3/L3-Lo 5/12-8 = 10 / 30-12 = F/30-12 5/4 =F/18 F = 5*18/4 = 22.5N (3) (3i.) lo = 0, l1= 0.5A, l2= 1.0A, l3= 1.5A, l4=2.0A, l5=2.5A, l6=3.0A (3ii.) Vo= 1.3v, V1= 1.28v, V2=1.25v, V3=1.23v, V4=1.2v,V5=1.17v, V6=1.15v (3iii.) Tabulate SN: 0,1,2,3,4,5,6 V(v): 1.30,1.28,1.25,1.23,1.20,1.17,1.15 l(A): 0.00,0.50,1.00,1.50,2.00,2.50,3.00 Quote =============== NOTE THAT comma means NEXT LINE, Draw a table, under I, put 0.50, 1.00, 1.50 etc.. ================ (3viii) (a) i will ensure that the key is opened when no reading is taken to avoid battery wastage (b) i will ensure that the circuit element aretightly connected to ensure accurate result (3bi) i. Temperature ii. Nature of material iii. cross-Sectional Area iv. Length of conductor (3bii) Electromotive force is the potential difference between the terminals of a cell when no current is flowing in the circuit. MORE LOADING...
Posted on: Fri, 20 Sep 2013 20:33:43 +0000
Trending Topics
Recently Viewed Topics
© 2015