44. An 86- resistor and a 67- resistor are connectedin series across a battery.

Question

44.   An 86- resistor and a 67- resistor are connectedin series across a battery. The voltage across the 86-resistor is 27 V. What is the voltage across the 67-resistor? An 86- resistor and a 67- resistor are connectedin series across a battery. The voltage across the 86-resistor is 27 V. What is the voltage across the 67-resistor? 44.   An 86- resistor and a 67- resistor are connectedin series across a battery. The voltage across the 86-resistor is 27 V. What is the voltage across the 67-resistor?

Explanation / Answer

         Given               resistances   R1    = 86                                   R2   =   67             voltage across R1 resistance    = 27 V            equivalent resistance of the circuit                         R = R1 +R2                                = 86 + 67   = 153            current through each resistance is equal because they areconnected in series combination                           I   = V 1   / R1                                  = 27 / 86                                  = 0.3139 A             So voltage across R2  resistor    V2   = I R2                                                                        = 0.3139 * 67                                                                      = 21 V            

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