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A circle is drawn to cut a chord of leng...

A circle is drawn to cut a chord of length 2a unit along x-axis and to touch the y-axis. Then the locus of the centre of the circle is-

A

`x^(2)+ y^(2) =a^(2)`

B

`x ^(2) -y^(2) =4a ^(2)`

C

`x ^(2) -y^(2) =a^(2)`

D

`x ^(2)+ y^(2) =4a^(2)`

Text Solution

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The correct Answer is:
C
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