Engineering, 28.03.2021 14:50 maibelgarza
A coil of 500 turns and resistance 20 ohm is wound uniformly on an
iron ring of mean circumference 50 cm and area of cross-section 4 cm2 . It is connected to a 24V DC supply. Under these conditions, the relative permeability of iron is
800. Calculate
(a) MMF of the coil,
(b) magnetizing force,
(c) total flux in the iron and (d) reluctance of the ring.
Answers: 3
Another question on Engineering
Engineering, 03.07.2019 23:20
Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct
Answers: 3
Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Engineering, 04.07.2019 18:10
Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan
Answers: 3
Engineering, 04.07.2019 19:10
The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
Answers: 1
You know the right answer?
A coil of 500 turns and resistance 20 ohm is wound uniformly on an
iron ring of mean circumference...
Questions
English, 31.08.2020 07:01
French, 31.08.2020 07:01
English, 31.08.2020 07:01
Biology, 31.08.2020 07:01
English, 31.08.2020 07:01
Mathematics, 31.08.2020 07:01
Mathematics, 31.08.2020 07:01
Mathematics, 31.08.2020 07:01
Mathematics, 31.08.2020 07:01
Mathematics, 31.08.2020 07:01
Mathematics, 31.08.2020 07:01
Mathematics, 31.08.2020 07:01
