The most significant difference between the Eddy current and Hysteresis loss is that the eddy current loss occurs because of the relative motion between the conductor and the magnetic field. Whereas the hysteresis loss occurs because of the reversal of the magnetism. The other differences between the hysteresis and the eddy current loss are explained …
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Definition: The seismic transducer is used for measuring the vibration of the ground. The spring mass damper element and the displacement transducer are the two main component of the seismic transducer. The mass that connected to the damper element and spring without any other support is known as spring mass damper element. And the displacement …
The starter is a device which is used to start and run the motor. The most significant difference between the three point and the four-point starter is that in three-point starter the no voltage coil (NVC) is connected in series with the field winding whereas in four-point starter the NVC is directly connected to the …
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Definition: The bridge which measures the unknown mutual inductance regarding mutual inductance such type of bridge is known as the Campbell bridge. The mutual inductance is the phenomenon in which the variation of current in one coil induces the current in the nearer coil. The bridge also used for measuring the frequency by adjusting the …
The rating is the load carrying capability of the machine. It shows the maximum value of the voltage at which the machine is designed, and the current consumption occurs at that voltage. The machines are always rated in watts. But the alternator and the transformer are the only machines which are rated in volt-amp (VA). Why …
Definition: The inductor is a passive component which stores the electrical energy in the magnetic field when the electric current passes through it. Or we can say that the inductor is an electrical device which possesses the inductance. The inductor is made of wire which has the property of inductance, i.e., opposes the flow of …
Definition: When the beam of the light enlightens the surface of the metals like sodium, potassium, caesium and rubidium then their electrons start emitting. The phenomenon of emission of electrons is known as the photoelectric emission. In other words, the photoelectric emission is the process through which the free electrons are liberated from the surface …
Definition: The potential barrier in the PN-junction diode is the barrier in which the charge requires additional force for crossing the region. In other words, the barrier in which the charge carrier stopped by the obstructive force is known as the potential barrier. How It gets established? When the P and N-type semiconductor material are placed …
The most significant difference between the LED and diode is that the LED emits the light while the diode allows the current to flow only in one direction and opposes the flow in the opposite direction. The other differences between the diode and LED are shown below in the comparison chart. The LED is a …
The Carey Foster Bridge is used for measuring the low resistance or for the comparison of two nearly equal resistances. The working principle of the Carey foster bridge is similar to the Wheatstone Bridge. The circuit for the Carey foster bridge is shown in the figure below. Let P, Q, R and S are the …
