I have an RL circuit driven by a 24 V battery with R = 50, L = 4 H. The current is 0 at t =0. Find the energy dissipated by the resistor in the first ten seconds after the circuit is connected. Show your work.
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- A step-down transformer connected to a 120 V ac line is used to supply a 15 V external hard drive. A. What are the turns in the secondary coil, if the primary coil has 2000 turns? Show your work. B. The power in the primary coil is less than, equal to, greater than the power in the secondary coil. (Select one.)9 V B. The circuit at right is made from an ideal battery connected to 4 ideal resistors as shown. i. What is the total resistance of this circuit? Show your work. R4= 352 R1 = 152 R3 = 452 ii. Find the current through each of the 4 resistors. Show your work. R2= 752 iii. Rank the potential difference across the 4 resistors from greatest to least. Explain your reasoning. iv. If resistor R3 is cut out of the circuit, without replacing it with anything, will the current through resistor R2 increase, decrease, or stay the same? Explain your answer or show your work.help
- I have a parallel-plate capacitor consisting of two square plates 10cm on a side with a separation of 1mm. It is connected to a 6V battery and fully charged. Initially the space between the capacitor plates is empty. How much work would take to insert a slab of dielectric with K=3 that will fill the space between the plates? Show your work. E0 = 8.85x10^-12 F/mK=2If the electricity in an area costs $0.11 per kWh (kilowatt times hour), how much does it cost to run a 60W lightbulb at 120V continuously for 30 days? Show your work.
- Which particle moves in a wire carrying electricity? Nuculus Proton Electron NeutronProblem 4, 1.10 Further Application Application of Kirchoffs law for the following mesh find curent I, L.I, I, using Ohm's Law Voltage (current) resistance with the conventionthat a curent loop away from + back %3D to as in mesh1 is consideredpositive voltage negative voltage as in mesh 2 as it loops from backto + 19 V 12 I 3Ω 32 291 20 I, 2. 14 V 10 40 -10 ww wwUse your measurements (from the experimental results) to verify that both of Kirchoff's Laws have been fulfilled for this circuit. Show your work and fill in the 'calculated' side of the table above.