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Q. The magnetic induction field has the dimensions of

KEAMKEAM 2018Physical World, Units and Measurements

Solution:

$\because F=q v B$
$\therefore B=\frac{F}{q v}=\frac{F}{q\left(\frac{d}{t}\right)}=\frac{F}{I d}=\frac{T}{I}$
$\therefore B=\frac{\text { Surfacc tension }}{\text { Current}}$