How to reset radiobuttons in jQuery so that none is checked

Question

I have radio buttons in HTML like this:

    1
    

        

Answer 1

$('#radio1').removeAttr('checked');
$('#radio2').removeAttr('checked');
$('#radio3').removeAttr('checked');
$('#radio4').removeAttr('checked');

Or

$('input[name="correctAnswer"]').removeAttr('checked');