Magnetomotive force per unit length of magnetic circuit is known as mmf gradient True False
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Q: The emf induced in a conductor when placed in magnetic field can be determined by the Lenz's law…
A: The emf induced in a conductor when placed in magnetic field can be determined by the Lenz's law
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Q: A given magnetic circuit has a magnetic field intensity of 400 AT/m. If the length of the magnetic…
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Q: A current carrying conductor placed in a magnetic field experience a force, is it true for motor?…
A: A current carrying conductor placed in a magnetic field experience a force because of magnetic field…
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A: Magnetic field intensity
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A: True.
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- Magnetic saturation is that condition of a magnetic material when all of the magnetic domains are oriented in the direction of the applied mmf True FalseThe magnetic flux density of sheet steel is smaller than the cast iron for the same value of field intensity True FalseThe magnitude of the induced emf in a coil due to the effect of a variable magnetic field on its length is numerically equal to the product of length of the coil and the rate of change of the linkage flux on it. true / false
- Given a magnetic circuit with a current 2.6A flowing through 205 turns of wire on a core having a reluctance of 125000 At/Wb. Determine the magnetomotive force of the circuit in base units.Paramagnetic materials cannot be magnetized. Select one: True Falsea) Suppose, a magnetic field, = axz+ byz + c; using Gauss’s law find out the relation between components a and b.
- The emf induced in a conductor when placed in magnetic field can be determined by the Lenz's law True FalseA magnetic circuit has amagnetic field intensity of 400 AT/m. If the length of magneticpath is doubled and matianing the same magnetomotive force, how much is the newmagnetic field intensity?1. In addition to resistive components, state or name one other electromagnetic component found in the equivalent circuit of a transmission line. 2. State or name one equivalent or simplified model of transmission lines 3. In general, the fluxes whether electric or magnetic are maximum when the area vector and the active field are ______ degrees with each other. 4. Complete the Parallelism: "Charges are to Electric, while __________ are to Magnetic"
- Derive the equation for rms core flux of ideal ac magnetic circuit using Ohm's of magnetic circuits. Explain the result.Answer the following: a. What happens to the magnetic field produced by the electromagnet if some parts of the wire windings overlap each other? b. What happens to the magnetic force produced by the electromagnet if you reverse the terminal connections?c.Are there any patterns with the attractive and repulsive force observed with different configurations (pos-pos terminal & pos-neg terminal)? Explain the pattern.Electric field Produced by the motion of electric charges, or electric current, and gives rise to the magnetic force associated with magnets. الاجابات True False