AC Fundamentals, Circuit and Circuit Theory The main cause of silting up a channel, Inadequate slope Non-regime section Defective head regulator All of these Inadequate slope Non-regime section Defective head regulator All of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 30 sin 50 t 42.42 sin 314 t 84.84 sin 25 t 60 sin 25 t 30 sin 50 t 42.42 sin 314 t 84.84 sin 25 t 60 sin 25 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage all of these Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage all of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value Will increase the selectivity of the circuit Will change the impedance at resonance frequency Will change the maximum value of current at resonance Will change the resonance frequency Will increase the selectivity of the circuit Will change the impedance at resonance frequency Will change the maximum value of current at resonance Will change the resonance frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The safest value of current the human body can carry for more than 3 second is 5 mA 15 mA 9 mA 4 mA 5 mA 15 mA 9 mA 4 mA ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value which of the following wave will 'have the highest r.m.s. value? Half wave rectified sine wave Triangular wave Sine wave Square wave Half wave rectified sine wave Triangular wave Sine wave Square wave ANSWER DOWNLOAD EXAMIANS APP