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Why do the reading differ for increasing and decreasing values of the lamp voltages?
at the time of decreasing lamp voltage as the temperature is already high the gas in the lamp is already in ionized state leading to different resistance ,but when increasing voltage the gas is not in ionized state it ready to ionize ,so there is slightly variation in resistance . :)
What else can I help you with?
Why do the readings differ for increasing and decreasing values of the incandescent lamp voltages?
...what readings? current? voltage? power? lux?
Why does the no-load characteristic differ for increasing and decreasing excitation current?
The no-load characteristic of a generator differs for increasing and decreasing excitation current due to magnetic hysteresis, residual magnetism, and core saturation effects. When the excitation current increases, the magnetic domains in the iron core gradually align with the applied magnetic field, resulting in a higher generated electromotive force (EMF). However, as the excitation current decreases, these magnetic domains do not immediately return to their original unaligned state. This lag in realignment causes the generated voltage to remain higher during the decreasing phase of excitation than during the increasing phase at the same level of excitation current. This phenomenon is known as magnetic hysteresis. Even when the excitation current is zero, the magnetic core retains some level of magnetisation, known as residual magnetism. This residual magnetic field means that when the excitation current starts increasing again, it takes additional current to overcome this residual alignment before the generated voltage rises significantly. As a result, the voltage is initially lower when increasing the excitation current from zero. Conversely, during the decreasing phase, the residual magnetism keeps the voltage higher than it would be if the core were fully demagnetised, further contributing to the difference between the increasing and decreasing curves. As the excitation current increases, the magnetic core of the generator approaches saturation. Near saturation, any further increase in excitation current results in only a small increase in generated voltage because the core's magnetic domains are almost fully aligned. When the excitation current decreases from this saturated state, the magnetic domains gradually return to a less aligned state. This gradual realignment causes the generated voltage to decrease differently than it increased, contributing to the asymmetry between the increasing and decreasing excitation phases.
How does maxwell's mesh equations differ from Nodal equations?
Maxwell mesh equations otherwise known to most engineers as "loop analysis" is taking the sum of the voltages around closed loops in the circuit and setting them to zero (conservation of energy), then solving for the currents. Nodal equations otherwise known as "nodal analysis" is taking the sum of the currents entering and/or leaving the circuit at any particular node and setting them to zero, then solving for the currents.
How do you figure out which electrical wire goes to where?
There are specific code requirements for the use of white, gray, green, bare, and sometimes orange conductors. Other colors are a matter of convention and may differ from one area to another and certainly from one country to another. In the central United States where I live, black, red, blue, and white are used for 110-240v; brown, orange, yellow and gray are used for 277/480v and higher voltages. You may encounter other colors but without knowing what specifically you are dealing with I cannot answer further.
When Tim pushes the wire between the poles of the magnet the galvanometer registers a pulse When he lifts the wire another pulse is registered How do the pulses differ?
The pulses differ because the two pulses are in opposite directions.
Why do the readings differ for increasing and decreasing values of the incandescent lamp voltages?
...what readings? current? voltage? power? lux?
Why does the no-load characteristic differ for increasing and decreasing excitation current in dc generator?
cari diri r. aku pun selok ugop ni
How do you think a graph of deceleration would differ from the graph shown above?
A deceleration graph typically shows a decreasing function where the value of deceleration is decreasing over time. This is in contrast to an acceleration graph, where the value of acceleration is typically constant or increasing over time. The deceleration graph would show negative values as the object slows down.
Why does the no-load characteristic differ for increasing and decreasing excitation current?
The no-load characteristic of a generator differs for increasing and decreasing excitation current due to magnetic hysteresis, residual magnetism, and core saturation effects. When the excitation current increases, the magnetic domains in the iron core gradually align with the applied magnetic field, resulting in a higher generated electromotive force (EMF). However, as the excitation current decreases, these magnetic domains do not immediately return to their original unaligned state. This lag in realignment causes the generated voltage to remain higher during the decreasing phase of excitation than during the increasing phase at the same level of excitation current. This phenomenon is known as magnetic hysteresis. Even when the excitation current is zero, the magnetic core retains some level of magnetisation, known as residual magnetism. This residual magnetic field means that when the excitation current starts increasing again, it takes additional current to overcome this residual alignment before the generated voltage rises significantly. As a result, the voltage is initially lower when increasing the excitation current from zero. Conversely, during the decreasing phase, the residual magnetism keeps the voltage higher than it would be if the core were fully demagnetised, further contributing to the difference between the increasing and decreasing curves. As the excitation current increases, the magnetic core of the generator approaches saturation. Near saturation, any further increase in excitation current results in only a small increase in generated voltage because the core's magnetic domains are almost fully aligned. When the excitation current decreases from this saturated state, the magnetic domains gradually return to a less aligned state. This gradual realignment causes the generated voltage to decrease differently than it increased, contributing to the asymmetry between the increasing and decreasing excitation phases.
How does the Information Age differ from the Industrial Age?
advanced in technology and an increasing demand for manufactured goods
How are the modern table arranged differ than Mendeleev's table?
Mendeleev arranged the elements in order of increasing atomic mass.Moseley arranged the elements in order of increasing atomic number.
What is meaning of LM 107?
LM107, LM207, LM307 are a family of general purpose op-amps. They differ in their supply rail max voltages and their operating temperature ranges. See the datasheet for details.
What happens to voltages and currents when there are passive elements connected in series and in parallel?
In a series circuit the current flow in each element is equal but voltage across the each element is differ. In a parallel circuit the voltage across the each element is equal but current flow in each element is differ.
Will the reading of the load cell differ from the above if it is placed at 100mm from the center of the cross section?
Yes, the reading on the load cell will differ compared to when it is placed at the center of the cross-section. Placing the load cell 100mm away from the center will result in a different moment arm, leading to a different torque measurement and potentially affecting the reading depending on the specific setup and application.
How does a two-phase system differ from a three phase system?
A two-phase system is archaic and you are unlikely to find it in use anywhere these days, so it is mainly of historical interest. A two-phase, three-wire system, consists of two phase voltages, displaced from each other by 90 electrical degrees, and a phase voltage which is 1.414 x phase voltage.A three-phase system consists of three phase voltages which are displaced from each other by 120 electrical degrees. In the case of a three-phase, three-wire, system, the line voltages are numerically equal to the phase voltages; in the case of a three-phase, four-wire, system, the line voltages are 1.732 x phase voltage.
How does personal excellence differ from excellence in physical education?
god you're stupid. Just commit suicide if you're reading this.
How kirchhoff laws will differ for AC circuit?
Kirchoff's Law is universally applicable, to AC as well as DC loops.
