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Physics
The magnetic induction field has the dimensions of
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Q. The magnetic induction field has the dimensions of
KEAM
KEAM 2018
Physical World, Units and Measurements
A
Force
15%
B
Force constant
15%
C
Surface tension
15%
D
$\frac{\text{Surface tension}}{\text{Current}}$
46%
E
Force constant $\lambda$ current
46%
Solution:
$\because F=q v B$
$\therefore B=\frac{F}{q v}=\frac{F}{q\left(\frac{d}{t}\right)}=\frac{F}{I d}=\frac{T}{I}$
$\therefore B=\frac{\text { Surfacc tension }}{\text { Current}}$