Exercise :: Ohm's Law  General Questions
 Ohm's Law  General Questions
 Ohm's Law  True or False
6.  How much resistance is required to limit the current from a 12 V battery to 3.6 mA? 


7.  What is the voltage source for a circuit carrying 2 A of current through a 36 resistor? 


8.  What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source? 


9.  How much voltage is needed to produce 2.5 A of current through a 200 resistor? 


10.  When there is 12 mA of current through a 1.2 k resistor, the voltage across the resistor is 

Answer: Option A Explanation: V = IR (Ohms Law) = 12 X 10^{3} X 1.2 X 10 ^{3} = 12 X 1.2 = 14.4 V 