7. What is the energy in joules stored in the capacitor below?
The capacitor is shown with 10 volts on each side of it (plus on the left of the capacitor, - on the right), and C = 20 microfarads.

8. What is the energy in joules stored in the inductor shown below?
There is a drawing of an inductor with 7 A flowing to the right, and below is written 7 m H.

Solution Preview

The energy U stored in a capacitor with capacitance C under potential drop V is given by:

U = 1/2 * C * V^2

In our case:

V =10v
C ...

Solution Summary

This solution provides calculations for finding the energy in a capacitor and inductor.

... 1. What is the energy in a 2 F capacitor at t = pi seconds if v(t) = cos ... 2. What is the energy in a 10 H inductor at t = pi seconds if i(t) = cos ...Find the voltage ...

... If R = 14 and L = 5.7 mH, find the frequency at ... 2 /m. What is the average electrical energy dissipated in ... of the maximum charge on one plate of the capacitor? ...

... this point the system delivers electrical energy to the ... for this BC109 BJT transistor and found the maximum ... coupling capacitor C 3 .; this capacitor can also ...

... Try to devise an experiment to find the optimum ratio ...Capacitor C2 then AC couples the feedback signal to ... is greater than unity (G >1 and energy supplied to ...

... is 4.0 s. Determine the maximum charge on the capacitor. ... wire is measured using a balance and found to be ... Determine the energy stored in a 95-mH inductor that ...

... by a simple model containing one independent energy storage element ... the time constant τ may be found from the ... similar manner the voltage on the capacitor in Fig ...

... and the output voltage is 24 V. Find a. the ... m by 1.0 m, receives 27.0 J of energy, from sunlight ... field between two circular plates of a capacitor is changing at ...

... complete response of circuits with two energy storage elements. ... It finds the differential equation for the circuit ... The current flowing through the capacitor is ...