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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
28 Nov 2021

Given information

Initial Current through motor is I = 5A

Emf of a battery E = 12 V.

Final Current though motor     

A series resistor of   should be used to reduce the current to 2.0 A for low-speed operation.

 

Step-by-step explanation

Step 1.

Now power it it the energy.

 It is supplied  by a source or dissipated by a device.

 

 

 

 

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