The energy density of a body is 10erg/cm². If it is expressed in joules/m?, then the value will be
Answers
Answer:
Item Quantifier Unit SI unit system to
CGS unit system CGS unit system to
SI unit system
SI unit system CGS unit system
Name (relational
expression) Symbol Name (relational
expression) Symbol
Magnetic flux φ Weber
(φ=BA) Wb Maxwell
(φ=BA) Mx 1Wb=108Mx 1Mx
=10-8Wb
Magnetic flux
density B Tesla T Gauss G 1T=104G 1G
=10-4T
Magnetic strength H Ampere
per meter A/m Oersted Oe 1A/m
=4π/103Oe
=1.257×10-2Oe 1Oe
=
103/4π A/m
=79.578 A/m
Absolute
permeability μ Henry
per meter H/m Ablosute number – 1H/m
=107/4π
=79.578×105 1
=4π/107H/m
=1.257×10-6H/m
Permeability
(premeance coefficient) μr Ablosute number
(μr=μ/μ0) – Ablosute number
(μr=μ) – This is the same in the SI and
CGS unit system
Permeance P Henry
(P=φ/Fm) H Maxwell
per gilbert
(P=φ/Fm) Mx/Gb 1H
=109/4π Mx/Gb
=7.958×107 Mx/Gb 1Mx/Gb=4π/109 H
=1.257×10-8 H
Magnetic energy product Joule
per Cubic meter
(BH) J/m3 Gauss oersted
or erg
per cubic centimeter
(BH) GOe
erg/cm3 1J/m3
=4π×10GOe
=1.257×102 GOe
=1.257×102 erg/cm3 1GOe=1/4π×10-1J/m3
=7.958×10-3J/m3
=1erg/cm3
Magnetic enerty E Joule
(BH・AL/2) J Erg
(B2A/8π) erg 1J=107erg 1erg=10-7J
Magnetic attractive force F Newton
(B2A/2μ0) N Dyne
(B2A/8π) dym 1N=105dyn
(1N=0.102kgf) 1dyn=10-5N
(1kgf=9.807N)
Explanation: