How much power is dissipated in a 8.85 Ohm resistor when 4.2 Amps of current run through it?
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How much power is dissipated in a 8.85 Ohm resistor when 4.2 Amps of current run through it?
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- 15.0-Ω resistor and a 35.0-Ω resistor in series are connected to a 120-V dc source. (a) What is (are) the current(s) through the resistors? (b) What is the voltage drop across each resistor?The values of the components in a simple series RC circuit containing a switch and an initially uncharged capacitor (see figure below) are C = 1.50 µF, R = 2.30 MN, and E = 10.0 V. R (a) the charge on the capacitor... ...a long time after the switch is closed 900 = ..4.1 s after the switch is closed q = (b) the current in the resistor... ...immediately after the switch is closed In = HA ..4.1 s after the switch is closed I = HA ... a long time after the switch is closed I, = (c) The rate at which energy, 4.1 s after the switch is closed, is... ...being dissipated in the resistor Presistor = ...being stored in the capacitor Рсаpаcitor %3D µWA small generating station produces 120 kW of effective power that is transmitted by two wires, each having a resistance of 0.045Ω. How much power is saved by transmitting the power at 2.5 kV instead of 120 V?
- I have a computer that consumes a maximum of 15 W of power and I use a 5000 mAh battery. How long will it last at maximum power draw assuming it uses 20 V.A television uses 35 A of current for its 12 Ohm resistor. If it is run for 5 hours each day for 30 days, how many Kilowatt-hours does it rack up over those 30 days?