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Category > Management Posted 04 Feb 2018 My Price 7.00

coil of wire

1-6. Figure 1-15 shows a coil of wire wrapped around an iron core. If

the flux in the core is given by the equation

ef, = 0.05 sin 377t        Wb

If there are 100 turns on the core what voltage is produced at the terminals of the  coil? Of what polarity is the voltage during the time when flux is increasing in the  reference

 

 

 

/                              /

 

 

-
 

Required direction of i

i

+                                   --........

(               -........,

(               -........,

(               -........

(               -........

_..,

 

 

 

 

 

N = IOO turns

 

Opposing q,-     I

 

"'                        I
 

't      

q, = 0.05 sin 3771 Wb

FIGURE 1-15

The core of Example  1-6.Determination of the voltage polarity at the terminals is  shown.

 

direction shown in the figure? Assume that all the magnetic flux stays within the core (i.e., assume that the flux leakage is  zero).

 

Answers

Maurice Tutor
(5)
Status NEW Posted 04 Feb 2018 12:02 AM My Price 7.00

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