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Electrical Engineering
Given a forward biased si diode with I = 1mA. If the diffusion capacitance is Cd =1microferad , what is the diffusion Length Lp? Assume that the doping of the P-side is much greater than that of the n-side . Use Dp = 13metersquare second.
Electrical Engineering
Show that the voltage gain of an emitter follower circuit is close to unity.
Electrical Engineering
Discuss Eber's Holl model for a transistor.
Electrical Engineering
1.
A 400 mH coil of negligible resistance is connected to an AC circuit in which an effective current of 6 mA is flowing. Find out the voltage across the coil if the frequency is 1000 Hz.
2.
A capacitor of capacitance 102/π µF is connected across a 220 V, 50 Hz A.C. mains. Calculate the capacitive reactance, RMS value of current and write down the equations of voltage and current.
3.
Find the impedance of a series RLC circuit if the inductive reactance, capacitive reactance and resistance are 184 Ω, 144 Ω and 30 Ω respectively. Also calculate the phase angle between voltage and current.
A 400 mH coil of negligible resistance is connected to an AC circuit in which an effective current of 6 mA is flowing. Find out the voltage across the coil if the frequency is 1000 Hz.
2.
A capacitor of capacitance 102/π µF is connected across a 220 V, 50 Hz A.C. mains. Calculate the capacitive reactance, RMS value of current and write down the equations of voltage and current.
3.
Find the impedance of a series RLC circuit if the inductive reactance, capacitive reactance and resistance are 184 Ω, 144 Ω and 30 Ω respectively. Also calculate the phase angle between voltage and current.
Electrical Engineering
1.
A 400 mH coil of negligible resistance is connected to an AC circuit in which an effective current of 6 mA is flowing. Find out the voltage across the coil if the frequency is 1000 Hz.
2.
A capacitor of capacitance 102/π µF is connected across a 220 V, 50 Hz A.C. mains. Calculate the capacitive reactance, RMS value of current and write down the equations of voltage and current.
3.
Find the impedance of a series RLC circuit if the inductive reactance, capacitive reactance and resistance are 184 Ω, 144 Ω and 30 Ω respectively. Also calculate the phase angle between voltage and current.
A 400 mH coil of negligible resistance is connected to an AC circuit in which an effective current of 6 mA is flowing. Find out the voltage across the coil if the frequency is 1000 Hz.
2.
A capacitor of capacitance 102/π µF is connected across a 220 V, 50 Hz A.C. mains. Calculate the capacitive reactance, RMS value of current and write down the equations of voltage and current.
3.
Find the impedance of a series RLC circuit if the inductive reactance, capacitive reactance and resistance are 184 Ω, 144 Ω and 30 Ω respectively. Also calculate the phase angle between voltage and current.
Electrical Engineering
Explain the principles of KCL and KVL laws used to solve circuit question.Kindly ponder on how the loop and direction ll help in determining the equations(either a positive or negative current)
Electrical Engineering
Consider a text sentence of your choice whose length is not less than 100 characters/symbols. Calculate the frequencies of the symbols and perform the following.
a) Obtain the Huffman code and Shannon-Fano code for each symbol.
b) Obtain the Huffman code and Shannon-Fano code for each symbol via hand calculation, by depicting all the steps to construct the corresponding trees.
c) Compare the codes from a and b and comment.
d) Calculate the total information required to transmit symbol sequence.
e) Calculate the coding efficiency.
a) Obtain the Huffman code and Shannon-Fano code for each symbol.
b) Obtain the Huffman code and Shannon-Fano code for each symbol via hand calculation, by depicting all the steps to construct the corresponding trees.
c) Compare the codes from a and b and comment.
d) Calculate the total information required to transmit symbol sequence.
e) Calculate the coding efficiency.
Electrical Engineering
A wire 1000 ft long has a resistance of 0.5 kΩ and an area of 94 CM. Of what material is the wire made (T= 20°C)?
Electrical Engineering
A mild steel ring has a mean circumference of 500 mm
and a uniform cross-sectional area of 300 mm2
.
Calculate the m.m.f. required to produce a flux of
500 µWb. An airgap, 1.0 mm in length, is now cut in
the ring. Determine the flux produced if the m.m.f.
remains constant. Assume the relative permeability
of the mild steel to remain constant at 220.
and a uniform cross-sectional area of 300 mm2
.
Calculate the m.m.f. required to produce a flux of
500 µWb. An airgap, 1.0 mm in length, is now cut in
the ring. Determine the flux produced if the m.m.f.
remains constant. Assume the relative permeability
of the mild steel to remain constant at 220.
Electrical Engineering
What is the most common method of con- trolling the speed of an alternating-current motor?
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#340153 on Dec 2023
#340153 on Dec 2023