A diaphragm: This is the thin, light-weight membrane that captures sound waves. A coil: This is a small coil of wire attached to the back of the diaphragm. When the diaphragm vibrates in response to sound waves, the coil is pushed and pulled as well. A magnet: This is a permanent magnet that is placed …
A moving coil microphone is a type of dynamic microphone that uses a magnetized coil of wire suspended in a cylindrical magnet. The coil moves when sound waves cause the diaphragm of the microphone to vibrate, which in turn causes the coil to move within the magnetic field. The movement of the coil within the …
Moving coil microphone – ചലിക്കും ചുരുള് മൈക്രോഫോൺ Read More »
Resistors do not store energy like inductors, so they do not provide the same level of filtering or protection against voltage spikes. Resistors cannot provide the same level of signal conditioning as inductors, as they cannot provide the same level of dampening or signal smoothing. Resistors also create a large amount of heat, which can …
Inductors are widely used in AC circuits because they oppose changes in current, which helps to regulate the flow of AC power. This helps to reduce power fluctuations, protect sensitive equipment, and reduce noise in the circuit. Inductors also act as filters in AC circuits, helping to shape the waveform of the voltage or current …
Inductors are widely used in AC circuits – എസി സർക്യൂട്ടുകളിൽ ഇൻഡക്ടറുകൾ Read More »
An inductor is an electrical component that stores energy in the form of a magnetic field when an electric current passes through it. It consists of a coil of wire that has an alternating magnetic field when current passes through it. The inductor resists changes in the current and can be used to regulate or …
Soft iron is important in many electrical applications because of its magnetic properties. It is used in the cores of transformers and electric motors, as well as in electromagnets, magnetic recording and sensing equipment. It is also used in electrical shielding because it has high permeability, meaning it can absorb and contain magnetic fields, thus …
Importance of soft iron – പച്ചിരുമ്പിന്റെ പ്രാധാന്യം Read More »
Self induction is a phenomenon in which a changing electric current in a circuit induces a voltage in the same circuit. It is also known as “self-inductance.” It is an electromagnetic phenomenon in which a changing current in a circuit causes a change in the magnetic field, which then induces a voltage in the same …
A transformer is an electrical device that is used to transfer electrical energy between two or more circuits through the use of electromagnetic induction. It works by converting the alternating current (AC) in one circuit into another AC of a different voltage level and current. The transformer has two or more separate windings (coils of …
One method that can be used to bring about a change in magnetic flux without continuously switching on and off is by adjusting the current in the circuit. By adjusting the current, the strength of the magnetic field can be increased or decreased. This will, in turn, cause a change in the magnetic flux.
Mutual induction is the phenomenon of two separate objects inducing currents in each other. It occurs when an alternating current flows through a coil of wire and induces a current in another coil of wire nearby. This phenomenon is the basis of electrical transformers and is also used in other electrical components such as relays …