0
A) 20 Hz to 200 Hz
B) 2 Hz to 20 Hz
C) 200 Hz to 2000 Hz
D) 20 Hz to 20000 Hz
Correct Answer: D
Please Wait you are being redirected....
You need to login to perform this action.You will be redirected in 3 sec
OTP has been sent to your mobile number and is valid for one hour
Your mobile number is verified.