Circuit Diagrams

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Questions

• Question #886ad
• Question #886b1
• Does the Norton's theorem provide a method for the reduction of any ac circuit to an equivalent form consisting of an equivalent voltage source in series with an equivalent impedance?
• Does the term "series opposing" mean that sources are in series with opposite polarities?
• The output of a certain voltage divider is 12 V with no load. When a load is connected, does the output voltage decrease?
• What happens to the total resistance when a fourth resistor is connected in a series with three resistors?
• How can I represent a schematic diagram of circuit for three D-cells placed in a battery pack to power a circuit containing three light bulbs in series?
• How can I represent a schematic diagram of circuit for three D-cells placed in a battery pack to power a circuit containing three light bulbs in parallel?
• When is better to use parallel circuits?
• What is the equivalent resistance of three resistances of 12 Ω each connected in parallel?
• What does series circuits mean?
• What does the last color band represent on a color-coded resistor?
• Why would we care about a resistor's temperature increasing?
• What is the purpose of a resistor?
• How can I draw circuit diagrams on a computer?
• Why is the Thevenin's theorem important for circuit diagrams?
• Question #ec4ec
• If all you have is a 120-V line, would it be possible to light several 6-V lamps without burning them out? How?
• Suppose you connect a battery to a small light bulb with a single wire. What will happen?
• What is the correct way of connecting an ammeter and a voltmeter?
• Question #e4173
• Question #13465
• Given a circuit with resistors R1 = 10 W, R2 = 15 W, R3 = 20 and voltage, #V_b = 12V#, see figure, find the currents through all the resistors?
• The circuit in the figure has been in position a for a long time, then the switch is thrown to position b. With #Vb = 12 V, C = 10 mF, R = 20 W#. a.) What is the current through the resistor before/after the switch? b) capacitor before/after c) at t=3sec?
• Initially switch is open, no charge on the capacitor, (a) Close the switch, find #I_i, (i = 1, 2, 3) Q, & V_C# immediately after. (b) Switch is closed for long find #I_i, Q & V_C#. (c) Find #I_i, Q, & V_c# immediately reopened? d) Reopened for long?
• How do you solve for the voltages and currents in this circuit diagram?
• Question #f1496
• Question #03d44
• What is an Integrated circuit?
• Question #0bd6e
• Question #7bd35
• Question #bda2c
• Question #5fe4f
• Question #caa5a
• In a transistor if #I_c/I_e=alpha# and #I_c/I_b=beta#, if #alpha# varies between #(20)/(21)# and #(100)/(101)#, then the value of #beta# lied between?
• Question #11250
• A current of 1.5 A flows through a 30-ohm resistor that is connected across a battery. What is the battery's voltage?
• Question #b567b
• Question #a3e85
• Question #cd217
• Question #915d3
• Question #8147a
• How to solve for the current and and voltage for led and thermistor?
• Question #4d52c
• Question #ab82a
• An 18 Ω, 9 Ω, and 6 Ω resistor are connected in parallel to an emf source. A current of 4 A is the 9 Ω resistor. How do you calculate the resistance of the circuit? What is the potential difference across the source?
• Calculate the equivalent resistance from point #A# to #B#?