How can you calculate change in magnetic flux? - Physics Forums
2005年4月3日 · Since the magnetic flux is completely perpendicular to the loop, the magnetic flux at anytime is B*A, where A is only the area that is within the magnetic field. Magnetic flux = B*A you can differentiate this equation with respect to time to find the rate of change of flux, and relate dA/dt to the information given in the question.
Magnetic flux formula confusion - Physics Forums
2008年7月16日 · The magnetic flux formula is used in various fields such as electrical engineering, physics, and astronomy. It is used to calculate the strength of magnetic fields in different materials, design electromagnets, and understand the behavior of magnetic fields in different situations. Are there any limitations to the magnetic flux formula? The ...
Magnetic flux density vs magnetic flux - Physics Forums
2010年3月1日 · FAQ: Magnetic flux density vs magnetic flux What is the difference between magnetic flux density and magnetic flux? Magnetic flux density, also known as magnetic field strength, is a measure of the strength of a magnetic field at a given point. It is represented by the symbol B and is measured in units of tesla (T).
What Surface Does ds Represent in Calculating Magnetic Flux …
2017年1月17日 · What is magnetic flux in a toroid? Magnetic flux in a toroid is the measure of the total magnetic field passing through the toroid's cross-sectional area. It is represented by the symbol Φ and is measured in units of webers (Wb). How is magnetic flux calculated in a toroid? The magnetic flux in a toroid can be calculated by multiplying the ...
Magnetic Flux through a Cylinder - Physics Forums
2007年3月21日 · The magnetic flux through a cylinder is affected by the strength and direction of the magnetic field, the size and orientation of the cylinder, and the material of the cylinder. The magnetic permeability of the material, which is a measure of how easily a material can be magnetized, also plays a role in determining the magnetic flux.
Why a magnetic flux in closed surface area is always 0? - Physics …
2008年1月17日 · In summary, the magnetic flux through a closed surface is always zero due to the fact that magnetic monopoles do not exist. This is one of Maxwell's equations and is in contrast to Gauss's law for electric fields. In the case of …
Magnetic flux with non-uniform magnetic field - Physics Forums
2010年11月13日 · Magnetic flux with non-uniform magnetic field is calculated by taking the dot product of the magnetic field vector and the surface area vector. This can be represented mathematically as Φ = ∫B⋅dA, where Φ is the magnetic flux, B is the magnetic field, and dA is the differential surface area.
Magnetic Flux in a Coaxial Cable - Physics Forums
2016年5月5日 · Yes, the magnetic flux in a coaxial cable can be controlled by using materials that have high magnetic permeability, such as iron or ferrite, to shield the cable from external magnetic fields. Additionally, using twisted pairs or braided shielding can also help reduce the effects of magnetic flux on the cable's performance.
Magnetic flux density between two wires - Physics Forums
2016年10月10日 · A current of 10 A flows in R in the opposite direction to a current of 30 A in S. Neglecting the effect of the Earth's magnetic flux density calculate the magnitude and state the direction of the magnetic flux density at a point P in the plane of the wires if P is (a) midway between R and S, (b) 0.05 m from R and 0.15 m from S.
Magnetic flux through a solenoid - Physics Forums
2010年3月30日 · Magnetic flux is a measure of the amount of magnetic field passing through a given area. It is typically measured in units of webers (Wb) or tesla meters squared (Tm²). What is a solenoid? A solenoid is a coil of wire that is tightly wound in the shape of a cylinder. It is used to create a strong magnetic field when an electric current is ...