tommy2017 tommy2017

28-08-2019
Physics

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A 10  and 20  resistor are connected in series across a DC voltage source. The total resistance is:
A. 30 Ohms
B. 200 Ohms
C. 15 Ohms
D. None of the above

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encali2008 encali2008

04-09-2019

Answer: 30 ohm

Explanation :series connection sum the resistances to find the total resistance :

rt=r1+r2= 10 +20= 30 ohm

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