AC Fundamentals, Circuit and Circuit Theory In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of L or C R only L only C only L or C R only L only C only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Two waves of the same frequency have opposite phase when the phase angle between them is 180° 90° 0° 360° 180° 90° 0° 360° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Skin effect occurs when a conductor carries current at _________ frequencies. Medium Low High Very low Medium Low High Very low ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of Iron loss in core Increase in temperature Capacitive effect between adjacent coil turns Skin effect Iron loss in core Increase in temperature Capacitive effect between adjacent coil turns Skin effect ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Ohm is unit of all of the following except Capacitance Inductive reactance Capacitive reactance Resistance Capacitance Inductive reactance Capacitive reactance Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will Be reduced by half Be reduced to one fourth Be four times at high Be doubled Be reduced by half Be reduced to one fourth Be four times at high Be doubled ANSWER DOWNLOAD EXAMIANS APP
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