Podcast
Questions and Answers
What is the closed path followed by magnetic flux called?
What is the closed path followed by magnetic flux called?
- Magnetic route
- Magnetic circuit (correct)
- Flux circuit
- Electric circuit
What does Faraday's Law of EMI describe?
What does Faraday's Law of EMI describe?
- Relation between electric and magnetic fields
- Relation between voltage and current
- Induced electromotive force due to a changing magnetic field (correct)
- Energy conservation in electromagnetic systems
Which machine is based on the principle of self-inductance and mutual inductance?
Which machine is based on the principle of self-inductance and mutual inductance?
- Induction motor
- Synchronous machine
- DC machine
- Transformer (correct)
What is the constructional feature of a 1-ph transformer?
What is the constructional feature of a 1-ph transformer?
In a 3-ph induction motor, what does the torque equation describe?
In a 3-ph induction motor, what does the torque equation describe?
What is the purpose of the iron core in a coil?
What is the purpose of the iron core in a coil?
What is the force behind the flow of flux or production of flux in a magnetic circuit called?
What is the force behind the flow of flux or production of flux in a magnetic circuit called?
What is the measure of the 'opposition' the magnetic circuit offers to the magnetic flux called?
What is the measure of the 'opposition' the magnetic circuit offers to the magnetic flux called?
What is the conducting power for magnetic lines of force or flux called?
What is the conducting power for magnetic lines of force or flux called?
What is the magnetic flux per unit area called?
What is the magnetic flux per unit area called?
What is the total number of magnetic lines of force in the magnetic field called?
What is the total number of magnetic lines of force in the magnetic field called?
What is magnetomotive force (MMF) mathematically equal to?
What is magnetomotive force (MMF) mathematically equal to?
What is the measure of 'opposition' that the magnetic circuit offers to the magnetic flux mathematically equal to?
What is the measure of 'opposition' that the magnetic circuit offers to the magnetic flux mathematically equal to?
What does H stand for in the equation $H=\frac{NI}{l}$?
What does H stand for in the equation $H=\frac{NI}{l}$?
What does B stand for in the equation $B=\frac{\text{Magnetic Flux}}{A}$?
What does B stand for in the equation $B=\frac{\text{Magnetic Flux}}{A}$?
'Permeability' relates to which two quantities in a magnetic circuit?
'Permeability' relates to which two quantities in a magnetic circuit?
