Electric Circuits The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it? 0.5 V. 1 V. None of these. 2 V. 0.5 V. 1 V. None of these. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption? P/3. P. √3P. 3P. P/3. P. √3P. 3P. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by - 90o. leads the emf by 90o. lags the emf by 90o. is in phase with emf. leads the emf by - 90o. leads the emf by 90o. lags the emf by 90o. is in phase with emf. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2) ω1 / ω2 ω1 - ω2 ω1 + ω2 √(ω1² + ω2²) ω1 / ω2 ω1 - ω2 ω1 + ω2 √(ω1² + ω2²) ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit which of the following represents the Q factor ? VR/V XC/R All of these XL/R VR/V XC/R All of these XL/R ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons? 38. 39. 19. 20. 38. 39. 19. 20. ANSWER DOWNLOAD EXAMIANS APP