Exercises in Electrical And Magnetic Measurement
Exercises in Electrical And Magnetic Measurement
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Answer, 5-02 and 2*485 ohms respectively.
Note, — Students are occasionally confused by the fact that a shunt of given resistance is called by some persons a y^th shunt and by others a ^th shunt ^ j Digitized by VjOOQIC \ Branch Circuits and Shunts, 89 When a given shunt is called a ^th shunt it means that resistance of shunt i u 4. u •*. • n j — ; — . — =4, but when it is called a resistance of galvanometer T^th shunt, reference is made to the fact that current in galvanometer _^ ^ current in ...main line "" ^^* (18.) It is required to reduce the sensibility of a galva- nometer of 375 ohms resistance a hundredfold. What must be the resistance of the shunt ?
Answer, '0379 ohm nearly.
.. (19-) A galvanometer whose resistance was 5000 ohms was shunted by a shunt of 50*5 ohms resistance ; but, in order to compensate for the diminished resistance of the galvanometer, an additional resistance was introduced into the circuit How great was it ? Answer 4950 ohms.
(20.) If the shunt to a galvanometer of 236 ohms resist- ance reduced its sensibility to ^J^th, what additional resistance would have to be introduced into the circuit so as to com- pensate for the reduced resistance of the galvanometer ?
What to read after Exercises in Electrical And Magnetic Measurement?
You can find similar books in the "Read Also" column, or choose other free books by Richard Evan Day to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Answer, 5-02 and 2*485 ohms respectively.
Note, — Students are occasionally confused by the fact that a shunt of given resistance is called by some persons a y^th shunt and by others a ^th shunt ^ j Digitized by VjOOQIC \ Branch Circuits and Shunts, 89 When a given shunt is called a ^th shunt it means that resistance of shunt i u 4. u •*. • n j — ; — . — =4, but when it is called a resistance of galvanometer T^th shunt, reference is made to the fact that current in galvanometer _^ ^ current in ...main line "" ^^* (18.) It is required to reduce the sensibility of a galva- nometer of 375 ohms resistance a hundredfold. What must be the resistance of the shunt ?
Answer, '0379 ohm nearly.
.. (19-) A galvanometer whose resistance was 5000 ohms was shunted by a shunt of 50*5 ohms resistance ; but, in order to compensate for the diminished resistance of the galvanometer, an additional resistance was introduced into the circuit How great was it ? Answer 4950 ohms.
(20.) If the shunt to a galvanometer of 236 ohms resist- ance reduced its sensibility to ^J^th, what additional resistance would have to be introduced into the circuit so as to com- pensate for the reduced resistance of the galvanometer ?
What to read after Exercises in Electrical And Magnetic Measurement?
You can find similar books in the "Read Also" column, or choose other free books by Richard Evan Day to read onlineMoreLess
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