Capacitors in Parallel

Two capacitors, one 6.6 µF the other 29 µF, are connected in parallel across a 12 V battery. What is the equivalent capacitance of the two capacitors? And what is the charge stored on each capacitor? Q 6.6 µF = Q 29 µF: =

need step by step solution

Review problems 1) Two converging lenses with focal lengths of 40cm and 20cm are placed 10cm apart. A 2cm tall object is 15cm from the 40cm focal length lens. a) Use ray tracing to locate the image of the lens combination. b) Is the image real or virtual? Is it upright or inverted? c) Calculate the exact location and height ...continues

RLC circuit : Resonance

An RLC circuit has a capacitance of 0.43 microF. (a) What inductance will produce a resonance frequency of 95 mHz? (b) It is desired that the impedance at resonance be 1/2 the impedance at 11 kHz. What value of R should be used to obtain this result?"

changing magnetic field

Transcranial magnetic stimulation (TMS) is a noninvasive method for studying brain function, and possibly for treatment as well. In this technique, a conducting loop is held near a person's head. When the current in the loop is changed rapidly, the magnetic field it creates can change at a rate of {see attachment}. This rapidly ...continues

The magnetic effect of a current

Questions 1, 3 and 4: 1. State the direction of motion (force) experience by the following pieces of wire in the respective magnetic fields. Direction of current is shown by an arrow. Give answers as... Please see attached for full questions.

Resistor problem

If a current of 15 A is flowing through the 15 ohm resistor. What is the voltage? Please see attached for diagram.

interference and diffraction

what is the difference between interference and diffraction of light waves?

magnetic effect of current

I have to answer all parts of question 2, 6, 7 and 8. Thanks in advance

constructive interference

assuming that x is the wavelength of light in oil(they used a different variable but my pc cant reproduce that symbol), for an oil film on water, constructive interference occurs with the minimum film thickness of: a.2x b. x/4 c. x d. x/2

red and blue light; rectangular glass plate; light emerges into the air from point P

a light beam composed of red and blue light is incident upon a rectangular glass plate. the light emerges into the air from point P as two seperate beams a. that are parallel, with the red beam displaced below the blue beam. b. that are not parallel, with the blue beam displaced below the red beam. c. that are not parallel ...continues