Purchase Solution

Calculating the current of a circuit

Not what you're looking for?

Ask Custom Question

A 50.0 H inductor and a 12.5 ohm resistor are connected in a series. A power source of constant 22.5 volts is applied across the series RL circuit elements at time t=0. What is the current in the circuit 10.0 seconds after the power is applied?

Purchase this Solution
Solution Summary

This provides a calculation of a current in a circuit with an explanation of the steps.

Solution Preview

The time constant of the circuit is simply T = L/R = 50/12.5 = 4 second.

In RL (resistive & inductive) circuits, time constant is the time in seconds required for current to build up ...

Purchase this Solution
Free BrainMass Quizzes
Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

The Moon

Test your knowledge of moon phases and movement.

Basic Physics

This quiz will test your knowledge about basic Physics.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

View More Free Quizzes
Related BrainMass Solutions

  • Thevenins Therom

    Thus, the equivalent circuit of the original circuit is It discusses the Thevenins Therom and its application.

  • Calculating charge of a capacitor and current in a circuit

    24144 Calculating charge of a capacitor and current in a circuit Hi. Can someone please walk me through how to do the following problem? The capacitor in an RC circuit (R = 120 ohms, C = 45 micro-F) is initially charged.

  • Calculating the average power available with an AC source

    56969 Calculating the average power available with an AC source The circuit of a resistor and a capacitor in series with an AC source that supplies an rms voltage of 240V. At the frequency of the source the reactance of the capacitor is 50.0 ohms.

  • Calculating inductance and maximum current

    24132 Calculating Inductance and Maximum Current Consider an RL circuit in which there's a 9.0 V battery, R = 5.5 ohms, L is unknown, and there's a switch that can be open or closed.

  • Basic Electric Circuit - Resistance

    The solution provides detailed step-by-step explanation for calculating voltage and current in a complex resistive circuit with two sources. The solution shows a good example of how to employ the principle of superposition.

  • Calculating capacitance and amplitude of a voltage

    This solution calculates the value of capacitance for which the current amplitude of a circuit will be a maximum, and calculates the amplitude of the voltage across the inductor at that capacitance.

  • Norton Equivalent Equation

    This handwritten solution contains an annotated diagram that aids in calculating the Norton equivalent equation by finding the Norton current across a to b.

  • Circuit Elements

    a) To find i0, You are given gm = 5 x 10-3 gm = I0/Iin = Current gain. Note that the Iout and Iin are the DC currents and not the AC currents. You are asked the i0, which is the total current flowing out of the outout terminal.

  • Megnetic circuits: MMF and reluctance.

    The magnetic circuit with two air gaps is given and the reluctance or the circuit is calculated by calculating the series and parallel combinations of the reluctances.

View More Related Solutions