AC Fundamentals, Circuit and Circuit Theory The safest value of current the human body can carry for more than 3 second is 5 mA 4 mA 9 mA 15 mA 5 mA 4 mA 9 mA 15 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? Triangular wave Square wave Sine wave Half wave rectified sine wave Triangular wave Square wave Sine wave Half wave rectified sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The equation of 50 Hz current sine wave having r.m.s. value of 60 A is 60 sin 25 t 84.84 sin 3141 60 sin 50 t 42.42 sin 314 t 60 sin 25 t 84.84 sin 3141 60 sin 50 t 42.42 sin 314 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces None of these The less heat than produced by A.C. flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit The more heat than produced by A.C. when flowing through the same circuit None of these The less heat than produced by A.C. flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit The more heat than produced by A.C. when flowing through the same circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value? 30° 90° 45° 180° 30° 90° 45° 180° 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