A vertical wire carries a current upward. The magnetic field at a point due north of the wire will be directed:
Sahay Sir > Question Answers > A vertical wire carries a current upward. The magnetic field at a point due north of the wire will be directed:
A straight wire of length π^2 meter is carrying a current of 2A and the magnetic field due to it is measured at a point distance 1 cm from it. If the wire is to be bent into a circle and is to carry the same current as before, the ratio of the magnetic field at its centre to that obtained in the first case would be:
18
Nov
A straight wire of length π^2 meter is carrying a current of 2A and the magnetic field due to it is measured at a point distance 1 cm from it. If the wire is to be bent into a circle and is to carry the same current as before, the ratio of the magnetic field [...]
The field normal to the plane of a wire of n turns and radius r which carries a current i is measured on the axis of the coil at a small distance h from the centre of the coil. This is smaller than the field at the centre by the fraction
18
Nov
The field normal to the plane of a wire of n turns and radius r which carries a current i is measured on the axis of the coil at a small distance h from the centre of the coil. This is smaller than the field at the centre by the fraction A vertical wire carries [...]
A battery is connected between two points A and B on the circumference of a uniform conducting ring of radius r and resistance R. One of the arcs AB of the ring subtends an angle θ at the centre. The value of the magnetic induction at the centre due to the current in the ring is
18
Nov
A battery is connected between two points A and B on the circumference of a uniform conducting ring of radius r and resistance R. One of the arcs AB of the ring subtends an angle θ at the centre. The value of the magnetic induction at the centre due to the current in the ring [...]
A circular loop is kept in that vertical plane which contains the north-south direction. It carries a current that is towards north at the topmost point. Let A be a point on the axis of the circle to the east of it and B be a point on this axis to the west of it. The magnetic field due to the loop:
18
Nov
A circular loop is kept in that vertical plane which contains the north-south direction. It carries a current that is towards north at the topmost point. Let A be a point on the axis of the circle to the east of it and B be a point on this axis to the west of it. [...]
A vertical wire carries a current upward. The magnetic field at a point due north of the wire will be directed:
18
Nov
A vertical wire carries a current upward. The magnetic field at a point due north of the wire will be directed: A vertical wire carries a current upward. The magnetic field at a point due north of the wire will be directed: November 18, 2021 Category: Cengage NEET by C.P Singh , Chapter 5 - [...]