Grade 12Electric Current
Plz solve this qiestion as soon as possible.Thanx in advance.
1 Answer
Arun
Approved Tutor Answer8 Years agoCurrent in the bulb = 4.5 /1.5 = 3 amp......Current in 1 W resistance = 1.5/1 = 1.5 Amp......Hence total current from the cell i = 3 +1.5 = 4.5....Now by usingE = V + iR.....E = 1.5 + 2.67 * 4.5 ; E = 13.5 Volt
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