0
What else can I help you with?
What happens to the resistance when the frequency is doubled?
When the frequency is doubled, the resistance of a circuit remains unchanged. Resistance in a circuit is independent of frequency and is determined by the material and physical dimensions of the resistor.
What is a symbol for an electromagnet?
A common symbol for an electromagnet in circuit diagrams is a coil of wire with a core material, such as iron, placed within the coil. The symbol typically includes a zigzag line to represent the wire coil and a straight line through the center to represent the core material.
How does a singing tesla coil work?
A singing Tesla coil works by modulating the frequency of the electrical discharges from the coil at audible frequencies, creating musical tones. The varying frequency of the discharges creates vibrations in the air, producing sound waves that we can hear. Different notes are produced by changing the frequency of the electrical pulses.
What happens when 1000Hz passes through a loud speaker coil?
When a 1000Hz signal passes through a loudspeaker coil, the coil vibrates at that frequency, causing the speaker cone to move back and forth rapidly. This movement creates sound waves that match the frequency of the signal, producing a 1000Hz tone that you can hear.
How does an electro magnet work in a speaker?
An electromagnet in a speaker consists of a coil of wire wrapped around a core material. When an electrical current passes through the coil, a magnetic field is produced, causing the coil to either attract or repel from a permanent magnet. This movement of the coil creates vibrations that produce sound waves, which are then amplified and projected by the speaker.
What happens to the resistance when the frequency is doubled?
When the frequency is doubled, the resistance of a circuit remains unchanged. Resistance in a circuit is independent of frequency and is determined by the material and physical dimensions of the resistor.
If alternating current is impressed on one coil what will be the frequency of the induced voltage in another coil with which it is coupled?
Same frequency as that of primary coil
What is RF coil?
RF (Radio Frequency Coil) is a coil, which is designed to resonate at a frequency some where in the radio spectrum frequency. See L C Circuit Link Below.
What is a symbol for an electromagnet?
A common symbol for an electromagnet in circuit diagrams is a coil of wire with a core material, such as iron, placed within the coil. The symbol typically includes a zigzag line to represent the wire coil and a straight line through the center to represent the core material.
How do speakers produce the bass and treble at the same time?
There are a few types of speakers, but generally, the "voice coil" type speaker is the most common used for sound systems. It consists of a strong and lightweight paper or plastic cone which is attached to a coil. The coil is aligned so that it surrounds a magnet, but the magnet does not touch the coil. When a voltage potential is connected to the voice coil, the coil and therefore the cone moves. By applying voltage at a specific frequency, the voice coil will move in synchronization with the electrical frequency. The voice coil can be moving slowly, as is required by a low frequency sound, and at the same time a high frequency electrical signal can also be injected into the signal. By overlaying multiple electrical frequencies at the same time, the voice coil will move to produce a wide range of simultaneous sounds.
What happens when a permanent magnet moving coil instrument be connected in an ac current?
The torque on the moving coil will reverse at twice the frequency of the supply, causing the pointer to vibrate. High-quality a.c. measuring instruments that incorporate a moving coil are, of course, common but incorporate a rectification circuit to supply the coil.
What is choke coil?
A choke coil is an inductor, which is designed to block a particular frequency in an electrical circuit while passing signals of very less frequency or direct current.
What is parasitic inductance of capacitor?
A: PARASITIC means like a parasite is there to offset the actual circuitry it can be inductance and/or capacitance A capacitor is usually wound in a coil this coil if frequency is hi enough will behave as a small coil has been added to the circuit. Hi frequency PWM capacitors have indeed four lead to reduce not eliminate this inductance
How does a singing tesla coil work?
A singing Tesla coil works by modulating the frequency of the electrical discharges from the coil at audible frequencies, creating musical tones. The varying frequency of the discharges creates vibrations in the air, producing sound waves that we can hear. Different notes are produced by changing the frequency of the electrical pulses.
The Q factor of a radio coil is?
if its an LCR circuit then Q=wL/R where W=angular frequency L=Inductance of the coil R=resistance of the coil
Can a moving coil loud speaker be used as a moving coil microphone?
Yes, but with vey low sensitivity and poor frequency response.
Coil made up of which material produces highest magnetic flux?
I think cooper coil
