2. -/1 points SerPSE9 27.P.014.WI. A lightbulb has a resistance of 200 n when operating with...
My Notes -/ 1 points Ask SerPSE9 33.P.035.WI 210 V A series RLC circult has a resistance of 44.0 n and an Impedance of 83.0 n. What average power is delivered to this circuit when AV.ms w Noed Help? Read Wech
(a)A lightbulb has a resistance of 210 Ω when operating with a potential difference of 125 V across it. What is the current in the lightbulb (in mA)? mA(b)What If? What would be the current in the lightbulb (in mA) if it were used in Peru, where the potential difference across it would be 220 V? mA
14. -10 points SerPSE9 28.P072.MI. My Notes Ask Your Teacher Three identical 75.0-W, 120-V lightbulbs are connected across a 120-V power source as shown in in the figure below. Assume that the resistance of each bulb is constant (even though in reality the resistance increases markedly with current) 2 120V R (a) Find the total power supplied by the power source. (b) Find the potential difference across each lightbulb. Need Help? Read Master
My Notes Ask Your Teacher SerPSE9 29.P.035.WI. -/2 points straight section of the wire is 0.750 m long and lies along the y axis within a uniform magnetic field, B = 1.50 k T. If the current is in the wire carries a steady current of 2.00 A negative y direction, what is the magnetic force on the section of wire? Magnitude N Direction --Select- Need Help? Read It Watch It
Certain lightbulb is rated at 175.0 W when operating at an rms voltage of 20 V. What is the peak voltage applied across the bulb? _________ V What is the resistance of the bulb? ________ Ohm Does a 100-W bulb have greater or less resistance than a 175.0-W bulb? greater less Explain. __________ This answer has not been graded yet.
SerPSE9 13.P.009.WI 3. -/ 2 points Two objects attract each other with a gravitational force of magnitude 1.02 x 10N when separated by 19.1 cm. If the total mass of the two objects is 5.15 kg, what is the mass of each? kg heavier mass lighter mass kg Need Help? Wech Read H
3. -/10 points SerPSE9 33.P.051.0/6 Submissions Used My Notes + Ask Your Teacher In the transformer shown in the figure below, the load resistance RL is 42.0 . The turns ratio N/N, is 2.10, and the rms source voltage is AVs = 89.0 V. If a voltmeter across the load resistance measures an rms voltage of 24.0 V, what is the source resistance Rg? AV
1. (-/1 Points) DETAILS KATZPSEF1 28.P.053.MI. MY NOTES ASK YOUR TEACHER PR A 60.0-W lightbulb is connected to a 220.0-V source. (a) What is the current through the bulb? (b) What is the internal resistance of the bulb? Need Help? Read it Master It Submit Answer 2. (-/1 Points] DETAILS KATZPSEF1 28.P.063. MY NOTES ASK YOUR TEACHER PR The USB charger for a smartphone delivers 520.0 mA of current at 5.10 V while charging the phone. What is the power...
2. [-12 Points] DETAILS KATZPSEF1 33.P.014. MY NOTES PRACTICE AN After being closed for a long time, the switch S in the circuit shown in the figure below is thrown open at 1-0. In the circuit, E = 24.0 V, RA = 4.30 kn, Re = 7.20 kn, and L = 570 ml. w RA RB 000 (a) What is the emf across the inductor immediately after the switch is opened? V (b) When does the current in the resistor...
1. : + : ㅢ2 points SerPSE9 24.P.004.WI My Notes Ask Your Teacher Consider a closed triangular box resting within a horizontal electric field of magnitude E-8.50% 104 N/C as shown in the figure below. 30.0 cm 10.0cm 60.0 (a) Calculate the electric flux through the vertical rectangular surface of the box. kN m2/C (b) Calculate the electric flux through the slanted surface of the box kN m2/c (c) Calculate the electric flux through the entire surface of the box...