The classical analogous of a simple lever is______;
What is the relation between magnetic field intensity H and magnetic flux density?
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A 1 ϕ, 120 V, 60 Hz supply is connected to the coil as shown below. The coil has 200 turns. What is the maximum flux developed by the coil?
The magnetic field intensity in a material whose relative permeability is 1 when the flux density is 0.005 T is:
Two magnetic cores A and B made up of materials with relative permeability 300 and 400 respectively have identical physical dimension then_______.
What is the energy stored in the magnetic field at a solenoid of 40m long and 4m diameter wound with 100 turns of wire carrying a current at 20 A?
Material subjected to rapid reversal of magnetism should have:
Calculate the reluctance of a magnetic coil which is wounded uniformly on an iron core provided that the relative permeability of the iron is 1400. Also, the length of the magnetic circuit is 70 cm and the crosssectional area of the core is 5 cm^{2}.
Flux in a magnetic circuit is analogous to:
Find the magnetic field strength if a coil of 180 turns is wound uniformly over a wooden ring having a mean circumferences of 0.5 m and with current of 4A through the coil
The magnetism left in the iron after exciting field has been removed is known as
The magnetic field strength on the axis of a short solenoid is:
The electric field intensity due to an infinite plane sheet of charge is
What is the unit of reciprocal of reluctance?
Which of the following correctly defines relations between magnetic flux density and distance?
2 videos1 docs55 tests

2 videos1 docs55 tests
