Suppose the voltage across a telephone line at the, Ask an Expert

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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

(b) the combined resistance of the local loop and the power source at the central office

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M92192898

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