Amagnetic field of 100 G (1 G = 10−4T) is required which is uniform in a region of linear dimension about10 cm and area of cross-section about 10−3m2.The maximum current-carrying capacity of a given coil of wire is 15 Aand the number of turns per unit length that can be wound round acore is at most 1000 turns m−1.Suggest some appropriate design particulars of a solenoid for therequired purpose. Assume the core is not ferromagnetic
Amagnetic field of 100 G (1 G = 10−4T) is required which is uniform in a region of linear dimension about10 cm and area of cross-section about 10−3m2.The maximum current-carrying capacity of a given coil of wire is 15 Aand the number of turns per unit length that can be wound round acore is at most 1000 turns m−1.Suggest some appropriate design particulars of a solenoid for therequired purpose. Assume the core is not ferromagnetic
Magnetic fieldstrength, B = 100 G = 100 ×10−4 T
Number of turns perunit length, n = 1000 turns m−1
Current flowing in thecoil, I = 15 A
Permeability of freespace, 
=
Magnetic field is givenby the relation,
If the length of thecoil is taken as 50 cm, radius 4 cm, number of turns 400, and current10 A, then these values are not unique for the given purpose. Thereis always a possibility of some adjustments with limits.
Magnetic fieldstrength, B = 100 G = 100 ×10−4 T
Number of turns perunit length, n = 1000 turns m−1
Current flowing in thecoil, I = 15 A
Permeability of freespace, =
Magnetic field is givenby the relation,
If the length of thecoil is taken as 50 cm, radius 4 cm, number of turns 400, and current10 A, then these values are not unique for the given purpose. Thereis always a possibility of some adjustments with limits.
