Resistive Circuits

Related BrainMass Solutions

• Simple Resistive Circuits: Determine the range of resistor values.

  The expert examines simple resistive circuits in order to determine the range of resistor values.

• Basic Electric Circuit - Resistance

  Assume ideal voltage source - find VBG and I2 We have two ideal voltage sources in a resistive network.

• Electric Circuits

  Voltage and resistance for electric circuits is examined.

• AC Circuits - Transformers

  263572 AC Circuits - Transformers (a) A small mains step-down transformer used to power 12V apparatus has the label below: If the primary and secondary winding resistances are 125ohms and 0.7ohms respectively, calculate the transformer's copper

• Effects of Biasing Current and Offset Voltage to Op-Amps

  244922 Effects of Biasing Current and Offset Voltage to Op-Amps The circuit to the problem is a non-inverting amplifier with a resistive-network feedback.

• Star Delta transformation of balanced 3 phase load

  {5} We first determine the phase angle as the inverse tangent of the ratio of reactive to resistive components {6} θ=〖tan〗^(-1) {X_Δ/R_Δ }=〖tan〗^(-1) {22.5/22.5}=〖45〗^0 {6} This leads to a power factor for

• Calculating the current of a circuit

  In RL (resistive & inductive) circuits, time constant is the time in seconds required for current to build up to 63.2% of the maximum current. This period is referred to as one time constant.

• Circuits: Determine how brightness of bulbs change when switch is closed

  9878 Circuits: Determine how brightness of bulbs change when switch is closed See diagrams in attached file. For each of the following circuits, determine how the brightness of the bulbs change when the switch is closed.

• LCR Circuit - finding currents and voltage

  (The voltage across the resistor = I R = 7V rest of the voltage appears across (3V) C and L) But you cannot add voltage drops in AC circuits as scalar quantities.