AC Fundamentals, Circuit and Circuit Theory The power is measured in terms of decibels in case of Transformers Current transformers Auto transformers Electronic equipment Transformers Current transformers Auto transformers Electronic equipment ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The square waveform of current has following relation between r.m.s. value and average value. None of these r.m.s. value of current is greater than average value r.m.s. value of current is less than average value r.m.s. value is equal to average value None of these r.m.s. value of current is greater than average value r.m.s. value of current is less than average value r.m.s. value is equal to average value ANSWER DOWNLOAD EXAMIANS APP
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 C only L only R only L or C C only L only R only L or C ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 1.414 Imax 0.5 Imax 0.707 0.9 1.414 Imax 0.5 Imax 0.707 0.9 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Greater than unity Unity Less than unity Zero Greater than unity Unity Less than unity Zero ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Current is maximum Voltage across C is minimum Impedance is maximum Current is minimum Current is maximum Voltage across C is minimum Impedance is maximum Current is minimum ANSWER DOWNLOAD EXAMIANS APP
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