Part 2
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 circular coil of radius R carries an electric current. The magnetic field due to the coil at a point on the axis of the coil located at a distance r from the center of the coil, such that r>>R, varies as
18
Nov
A circular coil of radius R carries an electric current. The magnetic field due to the coil at a point on the axis of the coil located at a distance r from the center of the coil, such that r>>R, varies as A circular coil of radius R carries an electric current. The magnetic field [...]
The magnetic field at O is
18
Nov
The magnetic field at O is The magnetic field at O is November 18, 2021 Category: Cengage NEET by C.P Singh , Chapter 5 - Magnetic Field , Part 2 ,
L is a circular loop carrying a current. P is a point on its axis OX. dl is an element of length on the loop at a point A on it. The magnetic field at P
18
Nov
L is a circular loop carrying a current. P is a point on its axis OX. dl is an element of length on the loop at a point A on it. The magnetic field at P L is a circular loop carrying a current. P is a point on its axis OX. dl is an [...]
The resistance of wire ABC is double of resistance of wire ADC. The magnetic field at O is.
18
Nov
The resistance of wire ABC is double of resistance of wire ADC. The magnetic field at O is. The resistance of wire ABC is double of resistance of wire ADC. The magnetic field at O is. November 18, 2021 Category: Cengage NEET by C.P Singh , Chapter 5 - Magnetic Field , Part 2 ,
L is a circular ring made of a uniform wire. Current enters and leaves the ring through straight conductors which, if produced, would have passed through the centre C of the ring. The magnetic field at C
18
Nov
L is a circular ring made of a uniform wire. Current enters and leaves the ring through straight conductors which, if produced, would have passed through the centre C of the ring. The magnetic field at C if produced L is a circular ring made of a uniform wire. Current enters and leaves the ring [...]
Two thick wires and two thin wires, all of the same materials and same length from a square in the three different ways P, Q and R as shown in figure with current connection shown, the magnetic field at the center of the square is zero in cases.
18
Nov
Two thick wires and two thin wires, all of the same materials and same length from a square in the three different ways P, Q and R as shown in figure with current connection shown, the magnetic field at the center of the square is zero in cases. all of the same materials and same [...]
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 cell is connected between the points A and C of a circular conductor ABCD of centre ‘O’ with angle AOC = 60°, If B1 and B2 are the magnitudes of the magnetic fields at O due to the currents in ABC and ADC respectively, the ratio B1/B2 is
18
Nov
A cell is connected between the points A and C of a circular conductor ABCD of centre ‘O’ with angle AOC = 60°, If B1 and B2 are the magnitudes of the magnetic fields at O due to the currents in ABC and ADC respectively, the ratio B1/B2 is A cell is connected between the [...]
In which of the following cases magnetic field is zero at O?
18
Nov
In which of the following cases magnetic field is zero at O? In which of the following cases magnetic field is zero at O? November 18, 2021 Category: Cengage NEET by C.P Singh , Chapter 5 - Magnetic Field , Part 2 ,