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If a second current carrying conductor is placed near to the first and the corresponding magnetic fields drawn, we can begin to visualise why a force is created between them.
If the current in the wires are in opposite directions as shown here, the flux lines crowd between the wires tending to push them apart. F ∝ I * B (cross product of vectors)
If the current in the wires are in the same direction as shown here, the flux lines flow around both wires and tend to pull them together.
Background Information Electrical machines usually consist of copper windings on steel cores, and their AC resistance is greater than their DC resistance. The power loss has
Explain explanatory notes on comparison of RS232C and RS422A standards. Comparison of RS232C and RS422A standards: RS232C 1. Standard explained for asynchronous commu
Q. What do you mean by Magnetic circuits? A magnetic circuit provides a path for magnetic flux, just as an electric circuit provides a path for electric current.Magnetic circui
Two projects using the principle of functional independence, increases system accuracy?
Measurements made on the self-biased n-channel JFET shown in Figure are V GS =-1 V, I D = 4 mA; V GS =-0.5V, I D = 6.25 mA; and V DD = 15 V. (a) Determine V P and I DSS .
List the operation modes of 8255 a) I.O Mode i. Mode 0-Simple Input/Output. ii. Mode 1-Strobed Input/Output (Handshake mode) iii. Mode 2-Strobed bidirectional mode
How to Make LPG Safer in the Laboratory The following must be observed in the laboratory: 1. The LPG cylinders should be kept outside the laboratory in a ventilated room.
(a) Describe why ordinary junction transistor is known as bipolar. (b) Describe working of NPN transistor as common Base configuration. Describe working of NPN transistor in
Define Lines Parameters In power system analysis, the parameters of interest when modelling power lines are: inductance, capacitance, series resistance and leakage resistance.
Explain the significance of V number. Ans: V number or V parameter or normalized cutoff frequency is one of the parameter which is used to calculate the maximum number o
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