Q.1
Transformer core are laminated in order to
  • reduce hysteresis loss
  • reduce hysteresis & eddy current loss
  • minimize eddy current loss
  • Copper loss
Q.2
An Inductor works as a ___________ circuit for DC supply.
  • Open
  • Short
  • Polar
  • Non-polar
Q.3
Inductor cores can be made of
  • air
  • iron
  • magnetic materials
  • all of these
Q.4
Inductive reactance is expressed as
  • 1/2πfL
  • 2πfL
  • f/2πL
  • X
Q.5
Inductors connected in series will
  • be the reciprocal of the sum total of inductors for final value of Henrys
  • be the sum total of inductors for final value of Henrys
  • be the reciprocal of the sum of reciprocals of each inductor
  • act as a voltage divider network
Q.6
The rate of change of ? determines the generated EMF in an inductor
  • voltage and current
  • current and time
  • voltage and time
  • back EMF and current
Q.7
An inductor stores energy
  • in the skin of the conductor
  • in the magnetospheric region of the electrons
  • in the dielectric material
  • in a magnetic field
Q.8
Your grade for inductors will depend highly on
  • how much I like you
  • how much you study
  • how lucky you are
  • luck of the draw
Q.9
ELI went to visit ICE and the two really resonated together! As a result, a ???? circuit was born.
  • Cole-Porter phase invertor
  • rejector
  • tank
  • Dailey-Vincent oscillator
Q.10
Skin effect is a concern
  • at lower frequencies
  • cable is exposed to UV rays
  • at higher frequencies
  • there are many eddy currents present
Q.11
Skin effects tends to
  • heat the conductor
  • cause a huge loss of efficiency
  • concentrate electrons on the outer edge (skin) of the conductor
  • cause signal distortion
Q.12
The "Q" of an inductor is expressed in units of
  • Henries
  • Faroids
  • Reluctance
  • Q has no units
Q.13
An inductor tends to
  • reject low frequencies
  • reject high frequencies
  • pass a band of frequencies
  • reject a band of frequencies
Q.14
Magnetic coupling is when
  • magnetic lines link
  • two magnets get married
  • two magnets are placed end-to-end
  • magnets line-up and repel each other
Q.15
The transient response of an inductor is expressed as
  • T = 1/RL
  • T = RL
  • t = R/L
  • t = L/R
Q.16
The magnetic field can be increased by adding
  • removing the core
  • adding a core
  • decreasing the number of windings
  • changing the diameter of the wire insulation
Q.17
The unit of measurement for the inductor is
  • Farad
  • Henry
  • George
  • Jones
Q.18
The force that opposes a rise in current is the
  • BEMF
  • EMF
  • MFF
  • BPM
0 h : 0 m : 1 s