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ENGR 217 Review.
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Exam of 1 pages for the course EGR 217: Exam at EGR 217: Exam (ENGR 217 Review.)
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ENGR 217 ReviewT/F Coulomb's law obeys the superposition principle and forces on point charges add
vectorially - ANS-True
superposition principle - ANS-when two or more waves overlap, the resulting wave is
the sum of the individual waves
electric feild is an example of a ------- field - ANS-vector
T/F The electric field is the vector normal of the gradient of the electric potential. -
ANS-False
The sum of all voltage differences around a network or closed path is known as
Kirchoff's ------- Law - ANS-Voltage
The conversion of electrical energy to heat results from the -------- to the flow of
electrical current in a material - ANS-resistance
T/F is it possible to have both magnetic and electric fields acting simultaneously in a
region - ANS-True
T/F when charging a secondary cell, energy is stored within a dielectric material using a
electric field. - ANS-False, stored in chemical reactions
rechargeble batteries use a -------- medium to convert electrical current to a form of
chemical energy which can be stored for future use. - ANS-Chemical
A capacitor uses an -------- field to store potential electric energy which can be used as
a source when connected to a network - ANS-Electric Field
An inductor uses an --------- to store potential electric energy which can be used a power
source when connected to a network - ANS-Magnetic Field
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