Basic Electrical Engineering Magnetomotive Force Magnetic Field Strength Online Exam Quiz
Basic Electrical Engineering Magnetomotive Force Magnetic Field Strength GK Quiz. Question and Answers related to Basic Electrical Engineering Magnetomotive Force Magnetic Field Strength. MCQ (Multiple Choice Questions with answers about Basic Electrical Engineering Magnetomotive Force Magnetic Field Strength
Unit of MMF is ______________
Options
A : A/m
B : A-m
C : A
D : unitless
What is a permeable substance?
Options
A : Any good conductor
B : Any bad conductor
C : Any strong magnet
D : Any substance through which the magnetic lines of force can pass easily
When an electric current flows into the page, what is the direction of the magnetic field?
Options
A : Clockwise
B : Anti-clockwise
C : Cannot be determined
D : Parallel to the current
When an electric current flows out of the page, what is the direction of the magnetic field?
Options
A : Clockwise
B : Anti-clockwise
C : Cannot be determined
D : Parallel to the current
Magnetomotive force is equal to__________________
Options
A : current * number of turns
B : current / number of turns
C : current / number of turns per unit length
D : current * number of turns per unit length
Magnetic field exists along which of the following?
Options
A : Moving charges
B : Stationary charges
C : Copper
D : Iron
The relation between the direction of current and the direction of magnetic field is?
Options
A : Same direction
B : Opposite direction
C : Perpendicular
D : Unrelated
Materials having good retentivity are?
Options
A : Strong magnets
B : Weak magnets
C : Temporary magnets
D : Permanent magnets
When a bar magnet is broken into two pieces, which of the following are true?
Options
A : The magnet loses its magnetism
B : The magnet has only north pole left
C : The magnet has only south pole left
D : The magnet turns into two new bar magnets
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