ALLEN 31-8-14 QNo. 29
ALLEN 31-8-14 QNo. 29
ANMOL SETH , 11 Years ago
Grade 12th pass
Electrostatics> ALLEN 31-8-14 QNo. 29...
1 Answers
Abhishek Kumar
P = VI
So, 0.45 = (1.5)2/R
Calculate Resistance of bulb.
Now, Potential drop across R = 1.5 V
So, 4.5 V across 3 ohm, which means current is 1.5 A.
Now find R as current through bulb is known, hence through R. and then calculate R.
Find the resultant.
So, 0.45 = (1.5)2/R
Calculate Resistance of bulb.
Now, Potential drop across R = 1.5 V
So, 4.5 V across 3 ohm, which means current is 1.5 A.
Now find R as current through bulb is known, hence through R. and then calculate R.
Find the resultant.
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