Electricity And Magnitism, Resistance

Electricity and Magnetism Level 1

A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5 Ω and 12 Ω, respectively. How much current would flow through the 12 Ω resistor?

0.660 A 0.660A 0.669 A 0.669A 0.671 A 0.671A 0.675 A 0.675A

Ankit Vijay by Ankit Vijay , 22, India

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2 solutions

Tammu Triveni
Jun 15, 2014

since they are in series total resistance is 0.2+0.3+0.5+0.4+12=13.4 current=V/R=9/13.4= 0.671 A. same current flows through all the resistors in series connection. hence, current in 12 ohm resistor=0.671A

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Ankit Vijay
Jun 3, 2014

I have already submitted the solution here https://brilliant.org/community-problem/electricity-and-magnitism-resistance-13/?group=TTyIC6PjADts

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