Electronics Engineering

because of the inductance associated with the circuit, it takes time to establish magnetic fields around all the wires and whatnot. This requires extra current at startup.

Yes

Speakers generate distinguishable noises, or sounds, by converting fluctuations in electric current in the voice coil into fluctuations in magnetic field. That generated magnetic field, being in the presence of a larger magnetic field, creates mechanical fluctuations in the position of the voice coil. Since the voice coil is mechanically coupled to the cone, the cone transfers those fluctuations to the cone. The cone, then, couples those fluctuations into fluctuations in air pressure, which our ears interpret as sound waves.

Its not really any different than the magnetic fields in a motor, except that we are generating fluctuating, vibrational energy, instead of rotational energy.

Frequency and amplitude are two entirely different measurements. In a sense, its like asking how height and weight are different.

Amplitude of a wave is how strong it is. This means it has very high spots, and very low spots, with a large distance in between them.

Frequency is how often this wave repeats. This can be seen by how close the repeating parts of the wave are together, and how sharp of ups and downs it has, because it has to reach those quicker.

Assuming a perfect machine (doesn't have any internal resistance), an EMF of 45*35 = 1575 volts is required. Actual EMF required by the machine will include the voltage drop internal to the machine, so 1575V constitutes a minimum necessary value.

huythu

The charge in a capacitor is between the plates. The dielectric is only an insulator that allows the plates to be very close without touching and discharging the charge. There is no battery in a capacitor.

The wave has been offset from zero by 0.005 seconds

The value of a resistor with 5 volts across it and 20 milliamperes of current flowing through it is 250 ohms.

Ohm's Law:

E = I R

R = E/I

circuit is a schematic which explains some operation using some symbols.

circuit configuration is giving a detailed explanation about its parameters

i was looking for a pictuer of a jig to make for a hold a cell phone to measure radiation

There are many phase shift oscillator circuits on the internet. Google search, `phase+shift+oscillator+schematics` and `phase+shift+oscillator+diagrams`.

Generally, if you want to change the phase shift characteristics, you'll need to substitute some fixed resistors with variable resistors and depending where they're placed, you can either change the operating frequency or the waveform characteristics.

The invert level is the base interior level of a pipe, trench or tunnel; it can be considered the "floor" level. Conversely, the crown level is the highest interior level, and can be considered the "roof" level

The song is the big finale to the 1943 MGM film, BEST FOOT FORWARD, starring Lucille Ball.

The film is an adaptation of a Broadway hit about a boy at Perkiomen School, Pennsburg, Pa, who invites a Hollywood star to his big dance. The original writer credited with the Broadway screenplay, was John C. Holm, Perkiomen School class of 1912.

Ring protection is a system where multiplexers are connected in a ring topology. If a single span fails traffic switches around the other side of the ring.

na moddagudura

As close to virtually zero volts as is possible: the current will very small but there will be current.

This depends on two things: the material that is used to make the diode, and whether the voltage is applied in a forward or reverse direction to the diode. A typical silicon diode will pass forward current above 0.6 V and pass no reverse current until a much higher voltage is applied (check the rated peak inverse voltage PIV)

because it is.

Fiber is best.

Cat6 would be next best, but is not as good as fiber.

A television transmitter works by converting audio and video signals into radio waves for broadcast. It first encodes the video and audio information into a modulated signal, typically using techniques like amplitude modulation (AM) or frequency modulation (FM). This modulated signal is then amplified and transmitted through an antenna, which radiates the waves over a specific coverage area. Receivers, such as televisions, capture these waves and decode the signals back into audio and video for viewing.

Good optical fiber is made of glass, but inexpensive fiber is sometimes made of plastic.