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What is the Difference between active filters and passive filters?
Active transducers are those which require electric current (a source of energy) for working, while passive transducers are those which does not need an external source. Passive transducers directly produce electric signals without an external energy source.
What is the term tw refers to in welding?
TW = thermite welding, a welding process that requires no external source of heat or current.
What is the current of 120v dc source?
without knowing load, cannot say
What does it mean to source current?
the source current is the current that flows from the power source.
Why do you give dc source for separate excitation?
In a separately excited DC motor, the field winding is powered by an external DC source, independent of the armature circuit. This allows for precise control of the motor's speed and torque by varying the field current, which directly influences the magnetic flux. Additionally, using a separate DC source enhances the motor's performance and efficiency, as it can be optimized for specific applications without being limited by the armature's current.
Can objects spontaneously combust without any external ignition source?
No, objects cannot spontaneously combust without an external ignition source.
Passive prosthetics came about to meet what need?
the need for devices to function without an external power source
What do you understand by electric current?
electric current is the flow of electrons due to external energy (emf) supplied by the voltage source.
What is a machine that operates without an external power source?
A wind-up mechanical clock operates without an external power source by storing potential energy when wound up, which is then released gradually to power the clock's mechanism.
What is the Difference between active filters and passive filters?
Active transducers are those which require electric current (a source of energy) for working, while passive transducers are those which does not need an external source. Passive transducers directly produce electric signals without an external energy source.
What is an temperature?
the lowest temprature at which the fuel will burn on its own without the addition of external source of heat
What is positive external financing?
Positive external financing is creates a money source for the organization without getting them into significant debt. Listing shares on the stock market is positive external financing.
What machine that operates without any external power source?
A wind-up clockwork device is an example of a machine that operates without an external power source. It functions solely through the energy stored in its wound-up spring mechanism.
What is the term tw refers to in welding?
TW = thermite welding, a welding process that requires no external source of heat or current.
What is an ignition temperature?
the lowest temprature at which the fuel will burn on its own without the addition of external source of heat
What is the current of 120v dc source?
without knowing load, cannot say
Why is an electromagnet is called temporary magnet?
An electromagnet is called a temporary magnet because it only produces a magnetic field when an electric current is flowing through it. When the current is turned off, the magnetic field disappears, unlike a permanent magnet which retains its magnetic properties without needing an external power source.
