# SOLUTION: THE ELECTRIC CURRENT I, IN AMPERES, IN A CIRCUIT VARIES DIRECTLY AS THE VOLTAGE V. WHEN 12 VOLTS ARE APPLIED, THE CURRENT IS 4 AMPERES. WHAT IS THE CURRENT WHEN 18 VOLTS ARE APLLIE

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 Click here to see ALL problems on Miscellaneous Word Problems Question 170059: THE ELECTRIC CURRENT I, IN AMPERES, IN A CIRCUIT VARIES DIRECTLY AS THE VOLTAGE V. WHEN 12 VOLTS ARE APPLIED, THE CURRENT IS 4 AMPERES. WHAT IS THE CURRENT WHEN 18 VOLTS ARE APLLIED?Answer by stanbon(57290)   (Show Source): You can put this solution on YOUR website!THE ELECTRIC CURRENT I, IN AMPERES, IN A CIRCUIT VARIES DIRECTLY AS THE VOLTAGE V. WHEN 12 VOLTS ARE APPLIED, THE CURRENT IS 4 AMPERES. WHAT IS THE CURRENT WHEN 18 VOLTS ARE APPLIED? ----------- I = kV Find "k": 4 = k*12 k = 4/12 = 1/3 ----------- Equation: I = (1/3)V If 18 volts are applied you get: I = (1/3)*18 I = 6 amps. ============== Cheers, Stan H.