Work each problem below and show all your work (including equations) for full credit.1. A volt is a unit of2. An ampere is a unit of3. An ohm is a unit of4. Does Voltage cause Current, or does Current cause Voltage? Which is the cause and which isthe effect?5. A wire carries 0.6 A current that flows through a 6 V light bulb.a. What is the resistance of the light bulb?6. A 5 0 light bulb is connected to a 3 V battery.a. What is the amount of current flowing through the bulb?b. Calculate the amount of power is used by the bulb.7. A 1.5 V battery with an internal resistance of 5 ohms is connected to a light bulb with a 20ohm resistance.a. Calculate the RTotal for this circuit.