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Magnetic Field due to Infinite Straight Conductor Video Lecture | GATE Notes & Videos for Electrical Engineering - Electrical Engineering (EE)

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FAQs on Magnetic Field due to Infinite Straight Conductor Video Lecture - GATE Notes & Videos for Electrical Engineering - Electrical Engineering (EE)

1. What is the formula to calculate the magnetic field due to an infinite straight conductor?
Ans. The formula to calculate the magnetic field due to an infinite straight conductor is given by the equation: B = (μ0 * I) / (2π * r), where B is the magnetic field, μ0 is the magnetic constant, I is the current flowing through the conductor, and r is the distance from the conductor.
2. How does the magnetic field vary with distance from an infinite straight conductor?
Ans. The magnetic field due to an infinite straight conductor decreases with increasing distance from the conductor. It follows an inverse relationship, meaning that as the distance (r) from the conductor increases, the magnetic field (B) decreases.
3. What is the direction of the magnetic field around an infinite straight conductor?
Ans. The direction of the magnetic field around an infinite straight conductor follows the right-hand rule. If you hold your right hand with your thumb pointing in the direction of the current flow in the conductor, the fingers will curl in the direction of the magnetic field lines.
4. Can the magnetic field due to an infinite straight conductor be zero at any point?
Ans. No, the magnetic field due to an infinite straight conductor cannot be zero at any point. Since the conductor extends to infinity, the magnetic field lines form concentric circles around the conductor, which means there will always be a magnetic field present at any point in space.
5. How does the magnetic field due to an infinite straight conductor change with the current flowing through it?
Ans. The magnetic field due to an infinite straight conductor is directly proportional to the current flowing through it. This means that as the current increases, the magnetic field also increases, and vice versa. The relationship is linear, so doubling the current will double the magnetic field strength.
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