Which statement is true about dynamic microphones? A. They need an external power source.
B. They have high sensitivity to surrounding sound.
C. They are effective with amplifiers.
D. They are light and brittle.

b they have high sensitivity to surrounding sound

Explanation:

tell me it's correct or not

if it's correct so I hope it is helpful for you

but no so I am sorry

answer; i believe its compare (b3: b4) ;

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