Asked by titu
Answer the following question:Be sure to show all work. Include formulae and units.Be sure to include relavant, meaningful diagram and a complete circuit diagram with circuit related problem. take enough space, don't try to squeeze everything on a small space!(problems are from:principle of physics:calculus based; Chapter:current and direct current circuits and Magnetic forces - Magnetic field)
Q.n.1) A 50-volt battery is connected by a long straight wire to a 100 W resistor and 12,500 µF capacitor in series. If the capacitor is initially uncharged, what will be the magnitude of the magnetic field 1 mm from the wire two seconds after the circuit is connected?
Q.n.1) A 50-volt battery is connected by a long straight wire to a 100 W resistor and 12,500 µF capacitor in series. If the capacitor is initially uncharged, what will be the magnitude of the magnetic field 1 mm from the wire two seconds after the circuit is connected?
Answers
Answered by
bobpursley
Cannot be answered, unless you assume the max current produces 100W. When choosing resistors, that is an unwise decision.
But assuming the unwise choice, the resistance of the resistor is
P=v^2/R
R= 50^2/100=25 ohm
current initial= 2 amps
I(t)=2e^(-T/RC)
than find magnetic field from the current.
But assuming the unwise choice, the resistance of the resistor is
P=v^2/R
R= 50^2/100=25 ohm
current initial= 2 amps
I(t)=2e^(-T/RC)
than find magnetic field from the current.
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