Two transducers, labeled A and B, are identical with the exception that transducer A has less backing material than transducer B. Which of the following is true?
A) transducer A will have a smaller case than transducer B
B) transducer B will have a higher Q-factor
C) transducer B will have a narrower bandwidth
D) transducer B will have higher sensitivity
E) transducer B will have a deeper focus