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CBSE Class 10 Answered

What is current resistance in each resistor for a parallel combination of R1= 3 ohm, R2= 3.5 ohm and R3= 4 ohm resistors.  The battery connected is of 8V. Also, find the effective resistance and effective current. 
Asked by pdcavita | 26 Nov, 2017, 09:55: PM
answered-by-expert Expert Answer
fraction numerator 1 over denominator R e f f end fraction equals fraction numerator 1 over denominator R 1 end fraction plus fraction numerator 1 over denominator R 2 end fraction plus fraction numerator 1 over denominator R 3 end fraction space equals fraction numerator begin display style 1 end style over denominator begin display style 3 end style end fraction plus fraction numerator begin display style 1 end style over denominator begin display style 3.5 end style end fraction plus fraction numerator begin display style 1 end style over denominator begin display style 4 end style end fraction equals 365 over 420 space space  R e f f equals fraction numerator begin display style 420 end style over denominator begin display style 365 end style end fraction space Ohms  V equals I e f f x R e f f I e f f space equals fraction numerator 8 x space 365 over denominator 420 end fraction space space A
Answered by Gajendra | 27 Nov, 2017, 09:52: AM
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