emi

Related Questions

• A solenoid is 1.5 m long and its inner diameter is 4.0 cm. It has three layers of windings of 1000 turns each and carries a current of 2.0 amperes. The magnetic flux for a cross-section of the solenoid is nearly

  ---

• A coil has an area of 0.05 m2 and it has 800 turns. It is placed perpendicularly in a magnetic field of strength $4 \times {10^{ - 5}}\,Wb/{m^2},$ it is rotated through ${90^o}$ in 0.1 sec. The average e.m.f. induced in the coil is

  ---

• In a transformer, the number of turns in primary and secondary are 500 and 2000 respectively. If current in primary is 48 A, the current in the secondary is

  ---

• Fan is based on

  ---

• The inductance of a coil is $60\,\mu H$. A current in this coil increases from 1.0 A to 1.5 A in 0.1 second. The magnitude of the induced e.m.f. is

  ---