1. Determine the resistance of a 75-W lightbulb connected to its proper source voltage of 110 V. Express your answer to two significant figures and include the appropriate units.
2. Determine the current through a 75-W lightbulb connected to its proper source voltage of 110 V. Express your answer to two significant figures and include the appropriate units.
3. Determine the resistance of a 250-W lightbulb connected to its proper source voltage of 110 V. Express your answer to two significant figures and include the appropriate units.
4. Determine the current through a 250-W lightbulb connected to its proper source voltage of 110 V. Express your answer to two significant figures and include the appropriate units.