During this COVID-19 pandemic, how will you apply OHM'S LAW (the relationship between current, resistance, and voltage) to help your parents regarding the electricity consumption at home? Cite at least 3 ways.B. Activity 2 - Let's solve it! Solve the following problems. Show your complete solution. 1. If the tungsten filament of a lamp has a cross-sectional area of 5 x 10 9m, how long must it be to have a resistance of 120 Q at 20'C2 3. A stereo with a resistance of 65 Q is connected across a potential difference of 110 V. What is the current in this device? 5. A typical color television draws 2.5 A of current when connected across a potential difference of 110 V. What is the effective resistance of the television set