Electric Circuits When AC flows through a pure capacitance then the current leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The laplace transform of the fuction f(t) = t is 1/s. s2. 1/s2. s. 1/s. s2. 1/s2. s. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For occurrence of resonance which of the following elements are required? R Both 2 and 3 L C R Both 2 and 3 L C ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit, at resonance condition the value of current is None of these Zero Minimum Maximum None of these Zero Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Internal heating of a capacitor is usually attributed to plate vibration. dielectric charge. leakage resistance. electron movement. plate vibration. dielectric charge. leakage resistance. electron movement. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be all 12 in parallel. all 12 in series. in 4 parallel rows each row having 3 cells in series. in 3 parallel rows each row having 4 cells in series. all 12 in parallel. all 12 in series. in 4 parallel rows each row having 3 cells in series. in 3 parallel rows each row having 4 cells in series. ANSWER DOWNLOAD EXAMIANS APP