emi

Related Questions

• The ratio of secondary to the primary turns in a transformer is $3 : 2$. If the power output be $P$, then the input power neglecting all loses must be equal to

  ---

• A wheel with ten metallic spokes each 0.50 m long is rotated with a speed of 120 rev/min in a plane normal to the earth’s magnetic field at the place. If the magnitude of the field is 0.4 Gauss, the induced e.m.f. between the axle and the rim of the wheel is equal to

  ---

• A coil having an inductance of 0.5 H carries a current which is uniformly varying from zero to 10 ampere in 2 second. The e.m.f. (in volts) generated in the coil is

  ---

• When the current in a coil changes from 8 ampere to 2 ampere in $3 \times {10^{ - 2}}$second, the e.m.f. induced in the coil is $2\;volt$. The self inductance of the coil (in millihenry) is

  ---

• Two coils of self inductance ${L_1}$ and ${L_2}$ are placed closer to each other so that total flux in one coil is completely linked with other. If $M$ is mutual inductance between them, then

  ---