AC Fundamentals, Circuit and Circuit Theory Inductance of a coil Varies Directly as the cross-sectional area of magnetic core Both of the listed here None of the listed here Inversely as the length of the iron path Directly as the cross-sectional area of magnetic core Both of the listed here None of the listed here Inversely as the length of the iron path ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Unity Greater than unity Zero Less than unity Unity Greater than unity Zero Less than unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The main cause of silting up a channel, All of these Non-regime section Inadequate slope Defective head regulator All of these Non-regime section Inadequate slope Defective head regulator ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance affects the direct current flow Only at the time of turning off Only at the time of turning on At the time of turning on and off At all the time of operation Only at the time of turning off Only at the time of turning on At the time of turning on and off At all the time of operation ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Emax ___________ the average value is 0.434 Emax 0.707 Emax 0.636 Emax None of the listed here 0.434 Emax 0.707 Emax 0.636 Emax None of the listed here 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 Skin effect Capacitive effect between adjacent coil turns Increase in temperature Iron loss in core Skin effect Capacitive effect between adjacent coil turns Increase in temperature ANSWER DOWNLOAD EXAMIANS APP
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