Two springs, of force constants\[{{I}_{0}}=\frac{E}{R}=\frac{5}{5}=1\,A\]and\[\tau =\frac{L}{R}=\frac{10}{5}=2\,s\]are connected to a mass m as shown. The frequency of oscillation of the mass is\[t=2s\]. If\[I=(1-{{e}^{-1}})A\]both\[(\therefore -t/\tau =\frac{-2}{2}=-1)\]and\[J=\frac{i}{\pi {{a}^{2}}}\]are made four times their original values, the frequency of. oscillation becomes [AIEEE 2007] |
A) \[\oint{B.dl}={{\mu }_{0}}.{{i}_{enclosed}}\]
B) \[\oint{B.dl}={{\mu }_{0}}.{{i}_{enclosed}}\]
C) \[x=2\times {{10}^{-2}}\]
D) \[cos\text{ }\pi t\]
Correct Answer: D
Solution :
[d] The frequencies of oscillation in this situations is given by |
(same direction) |
and |
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