Part A A 100-W lightbulb has a resistance of about 12 N when cold (20 °C) and 136 N when on (hot). Estimate the temperature of the filament when hot assuming an average temperature coefficient of resistivity a = 0.0045(C)1 Express your answer to two significant figures and include the appropriate units. T = Value Units

Part A A 1.5 V flashlight battery is connected to a wire with a resistance of 1.00 N. The figure (Figure 1)shows the battery's potential difference as a function of time. What is the total charge lifted by the charge escalator? Express your answer with the appropriate units. Value Units Submit Request Answer Provide Feedback Figure K 1 of 1 AV M 1.5 2 hr

Part A Suppose that you have a 580-N, a 810-N, and a 1.50-kN resistor. What is the maximum resistance you can obtain by combining these? Express your answer to three significant figures and include the appropriate units. Rmax = 2.89 kN Submit Previous Answers Correct Part B What is the minimum resistance you can obtain by combining these? Express your answer to three significant figures and include the appropriate units. HA Rmin = Value Units

IP Three resistors, R₁ = 30, R2 = 68 2, and R3 = R, are connected in parallel with a 12 V battery. Part A The total current flowing through the battery is 0.88 A. Find the value of resistance R. Express your answer using two significant figures. R= Submit Part B I1, I2, I3 = | ΑΣΦ Submit 3 Request Answer Find the current through each resistor. Enter your answers numerically separated by commas. Express your answers using two significant figures. [ΨΕΙ ΑΣΦ ? Request Answer Ω ? A