AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Decreasing the diameter of the former Increasing core length Choosing core material having high relative permeability Decreasing the number of turns Decreasing the diameter of the former Increasing core length Choosing core material having high relative permeability Decreasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to Cosine of phase angle difference between current and voltage R/Z all of these Ratio of useful current to total current Iw/I Cosine of phase angle difference between current and voltage R/Z all of these Ratio of useful current to total current Iw/I ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by RC2 RC R2C R/C RC2 RC R2C R/C ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power is measured in terms of decibels in case of Electronic equipment Transformers Auto transformers Current transformers Electronic equipment Transformers Auto transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance affects the direct current flow Only at the time of turning off At the time of turning on and off At all the time of operation Only at the time of turning on Only at the time of turning off At the time of turning on and off At all the time of operation Only at the time of turning on ANSWER DOWNLOAD EXAMIANS APP
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