Recent content by CIERAcyanide

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    Finding Current in a Circuit with 3 Switches

    Homework Statement A circuit containing three switches, labeled S1, S2, and S3. Find the current at a for all possible combinations of switch settings. Put = 170 V, R1 = 30.0 , and R2 = 10.0 . Assume that the battery has no resistance. (S1, S2, and S3 all open) (S1 closed, S2...
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    Current density in wires connected in series

    Homework Statement Wires A and B, having equal lengths of 40.0 m and equal diameters of 2.60 mm, are connected in series. A potential difference of 60.0 V is applied between the ends of the composite wire. The resistances of the wires are 0.127 and 0.729 , respectively. Determine: (a)...
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    Emf V & Potential Difference in a Resistor

    Thank you so much, I was definitely over-complicating it in my thinking. Your explanation was really clear. :)
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    Capacitors: charge, potential difference and stored energy

    Thank you so much! I really appreciate your in depth response; it cleared up a lot.
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    Emf V & Potential Difference in a Resistor

    Homework Statement Thermal energy is to be generated in a 0.31 resistor at the rate of 11 W by connecting the resistor to a battery whose emf is 2.1 V. (a) What potential difference must exist across the resistor? (b) What must be the internal resistance of the battery...
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    Finding kilowatt hours from parallel capacitors

    The units for E is in joules correct?
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    Finding kilowatt hours from parallel capacitors

    Okay, i'll try that and see if i can work out the right answer
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    Capacitors: charge, potential difference and stored energy

    Homework Statement The 50Volts is going through 3 capacitors. C1 = 4.0 µF, C2 = 8.0 µF, and C3 = 9.0 µF, The URL below is the image of how the capacitors are connected: http://www.webassign.net/hrw/26_27.gif For each capacitor i need to find the charge, the potential difference and the...
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    Finding kilowatt hours from parallel capacitors

    Please Help! Finding kilowatt hours from parallel capacitors Homework Statement A parallel-connected bank of 5.00 µF capacitors is used to store electric energy. What does it cost to charge the 2900 capacitors of the bank to 45,000 V, assuming a unit cost of $0.03 per kW·h? Homework...
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