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Electronic Communication Systems 2nd Edition by Roy Blake
Edition 2ISBN: 978-0766826847Electronic Communication Systems 2nd Edition by Roy Blake
Edition 2ISBN: 978-0766826847 Exercise 47
Suppose the voltage across a telephone line at the subscriber drops from 48 V to 10 V when the phone goes off hook. If the telephone instrument has a resistance of 200 ohms when off hook and represents an open circuit when on hook, calculate:
(a) the current that flows when the phone is off hook
(a) the current that flows when the phone is off hook
Explanation
Verified
Verified
(a)
When the phone is off hook (the subs...
Electronic Communication Systems 2nd Edition by Roy Blake
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