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WorksheetsEddy Currents
Total questions: 10
Worksheet time: 3mins
Two types of induction furnace are:
Slot induction furnace
Gas powered induction furnace
Coreless induction furnace
Titanium core induction furnace
According to which law does an EMF get generated in a conductor when it is placed in a constantly changing magnetic field?
Lenz's Law
Faraday's Law
Oersted's Law
Coulomb's Law
What is an advantage of electric brake?
Longer stopping distance
Low chance of locking the wheels
No friction between parts
Disadvantage of braking systems using electromagnetic damping:
Needs to be replaced every few months
Cannot stop the vehicle completely
Unreliable
Heat generated
The speedometer cable is connected to the:
Indicator rod
Output shaft
Gearbox
Speed cup
How is the induction furnace cooled?
Water is used as a coolant
Electromagnetic shielding
Kept at super low temperatures
Keep it in front of the AC
The electric field generated will oppose the magnetic field that created it. This is which law?
Oersted's Law
Coulomb's Law
Faraday's Law
Lenz's Law
Magnetic cup is directly connected to the spinning magnet
True
False
Who invented electromagnetic brake?
Otto Schulze
Thomas Edison
Granville Woods
Nicola Tesla
Torque is ________ proportional to strength of magnetic field and ________ proportional to current produced.
directly, inversely
inversely, inversely
inversely, directly
directly, directly
