What is the reluctance of a material that has a length of 0.07 m, a cr – McqOptions

MCQOPTIONS

1.	What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m2, and a permeability of 4,500 Wb/At √ó m?
A.	1111 At/Wb
B.	111 At/Wb
C.	11 At/Wb
D.	1 At/Wb
Answer» B. 111 At/Wb

Discussion

No Comment Found

Related MCQs

What is the reluctance of the circuit in problem 9 if the flux is 275 Wb?
There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb?
What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m, and a permeability of 4,500 Wb/At × m?
The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is
Which of the following is expected to have the maximum permeability ?
The attraction capacity of electromagnet will increase if the
The main constituent of permalloy is
The initial permeability of an iron rod is
The working of a meter is based on the use of a permanent magnet. In order to protect the meter functioning from stray magnetic fields
The uniform magnetic field is