5 × 10^-5 N/Wb
500 × 10^3 N/Wb
4 × 10^7N/Wb
4 × 10^7N/Wb
B. 500 × 10^3 N/Wb
decreases two times
increases four times
increases two times
decreases four times
Atom
Proton
Electron
Neutron
Joule's Law
Faraday's second law of electromagnetic induction
Faraday's first law of electromagnetic induction
Coulomb's Law
Permeance
Eddy current
Hysteresis
R eluctance
Is determined by the rate of current flux
Is found by the right hand rule
Is found by the left hand rule
Always opposes the cause producing it
Real axis
Cartesian axis
Magnetic axis
Imaginary axis
Flux
Flux lines
Flux density
Flux intensity
40% ; 60%
60% ; 40%
50% ; 50%
70% ; 30%
Mmf
Emf
Farad
Coulomb
decreases
remains the same
increases
becomes zero
Increasing mmf of the circuit
Using material narrow hysteresis loop
Using ferromagnetic core
Laminating the magnetic circuit
Magnetic potential
Magnetic field intensity
Magnetic permeability
F lux density
By using a common core
By moving the coils closer
By moving the coils apart
By increasing the number of turns of either coil
Statically induced emf
Mutually induced emf
Self induced emf
Dynamically induced emf
Electromagnetic energy
Kinetic energy
Potential energy
R est energy
permit mechanical clearance
increase flux density in air gap
decrease the reluctance of magnetic path
complete the magnetic path
Current equal to the applied emf
Opposing emf
Current opposing the applied emf
Voltage opposing the applied emf
Ionic bond
Covalent Bond
Electrostatic Bond
Metallic bond
equal to
about 1837 times
less than
200 tim es
directly proportional
independent of
inversely proportional to
equal to
S olenoid
Paraboloid
Toroid
Cycloid
setting up constant flux
lagging of H behind B
lagging B behind H
leading B ahead H
Breakdown voltage
Electric intensity
Potential gradient
Dielectric constant
Ionic
Covalent
Metallic
Van der Waals
1/300 per oC
1/250 peroC
1/230 per oC
1/260 per oC
Conductor
Semiconductor
Insulator
Semi- insulator
zero
negative
positive
infinite
Crystalline
Non- crystalline
Polycrystalline
Homogenous
Dynamic force
Electromotive force
Potential difference
Magnetomotive force