a) What is the voltage across a 220ohm resistor if the current through it is 5.6 mA?
b) What is the current through a 6.8ohm resistor if the voltage drop across it is 24 V?
c) What is the power delivered by a 6 V battery if the current drain is 750mA?
d) The current through a 4 k? resistor is 7.2 mA. What is the power delivered to the resistor?