Three 20-Ω resistors are connected in series to a 6-V battery that has only negligible internal resistance. What is the voltage difference across each resistor in V? (Hint: First calculate the current going through the three resistors and then find the voltage difference.)
"R=R_1+R_2+R_3=20+20+20=60\\ (\\Omega)"
"I=V\/R=6\/60=0.1\\ (A)"
"V_1=V_2=V_3=I\\cdot R_1=0.1\\cdot20=2\\ (V)" . Answer
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