6. In a magnetic material, the ratio of the flux linkage through the loop to its loop current is ( )
A: Permeability
B: Mutual inductance
C: flux
D: self-inductance
A: Permeability
B: Mutual inductance
C: flux
D: self-inductance
举一反三
- A square current loop with length a on each side carries a current I. The loop is in a uniform magnetic field B. If the loop is in the stable equilibrium, the magnetic flux passing through the loop onlyby the uniform field is ( ). A: [img=30x22]1803a3748913c57.png[/img] B: 0 C: [img=44x24]1803a37490df0b1.png[/img] D: indeterminable
- The inductor voltage phase lags its current by 90 o, and the capacitor current lags its voltage by 90 o, is this conclusion true? [ ]. A: It's impossible. B: When the capacitance and inductance are nonlinear components. C: When inductance current and voltage, capacitance current and voltage are not related direction. D: Whenever.
- 1.Inaseriescircuit,whichvaluewillremainunchangedatallplacesinthecircuit. A: Voltage B: Current C: Resistance D: Inductance
- Magnetic Flux Density B is a vector. While Magnetic Field Intensity H is not a vector.
- When there is a load, the main magnetic flux of the transformer is generated by ( ). A: Primary current I1 B: Secondary current I2 C: Primary current I1 andSecondary current I2 together D: Neither primary current I1 nor secondary currentI2