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Energy stored in a magnetic field
Consider a circuit consisting of a voltage supply, switch, resistor and a coil of N turns wound on a toroid of length l, all in series.
With the switch open, no current flows inthe coil and therefore there is no flux produced in the core of the coil.
At t=0, the switch is closed and the current builds up with time. It is not instantaneous,because the coil produces a back emf that limits the rate of rise of current
where v = the time dependent back emf created by the coil. The instantaneous power being deliveredby the supply at time t is
vs .i=i2 R+v.i
Amperes Circuital Law states that the line integral of the magnetic field H around a closed path equals the total current enclosed. ∫ H dl ∑ I App
It is needed to use a half-wave rectifier for a dc power supply that gives an average dc output voltage of 15 V and a maximum ±1V ripple is permitted. The rectifier feeds a load of
Sign flag Since D 7 bit in the results is 0sign flag is reset. This also shown that the results is positive.
Characteristics of Common Source Amplifier At low frequencies and by using a simplified hybrid-pi model, the following small-signal characteristics can be derived.
Module 1 Discussion: Application of operational Amplifier
#how to draw bode plots for a transfer function
Illustration of embedded web technology An oven comprise an embedded processor. Owner can use a web ready mobile phone anywhere to control the oven remotely. By accessing a
ON output plot of a JFET n-channel transistor if ID is close to IDSS does the value of VGS close to VP?
whatis motor protection
The devices in power system shown in Figure 2 have the following ratings: G1 : 100 MVA, 13.8 kV grounded Y, X” = 0.15 pu, X2 = 0.015 pu Xo = 0.05 pu G2 : 50 MVA, 20.0 kV grounded
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