Assignment:
Question 1. A point charge q produces an electric field of magnitude 90.5 N/C at a distance of 1.68 m. If the field is directed towards the charge, what is the value of q?
Question 2. When the plates of a radio capacitor are charged with 0.18 mC, the potential between them is 9.0 V. What is the capacitance?
Question 3. A pair of parallel plates is separated by 1.0 mm of air. If the plates are charged to a potential difference of 75 V, what is the electric field between the plates?
Question 4. A 40 W electric lamp draws a current of 0.33 A when operated with a potential difference of 120 V. What is the resistance of the lamp?
Question 5. An 1100 W iron, 1200 W frying pan, and a lamp are all connected to a 120 V household circuit fuse for 20 A. What is the maximum wattage lamp that can be used simultaneously with the iron and the frying pan?
Provide complete and step by step solution for the question and show calculations and use formulas.