Electric Circuits You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect three in parallel. three in series. two in parallel. two in parallel and one in series. three in parallel. three in series. two in parallel. two in parallel and one in series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For occurrence of resonance which of the following elements are required? Both 2 and 3 L C R Both 2 and 3 L C R ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? open circuit. dielectric losses decreases. dielectric losses increases. short circuit. open circuit. dielectric losses decreases. dielectric losses increases. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is BRY. RBY. YRB. RYB. BRY. RBY. YRB. RYB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is f0 / 4. still f0. f0 / 2. 2f0. f0 / 4. still f0. f0 / 2. 2f0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following is not a vector? Linear momentum. Electric field. Electric potential. Angular momentum. Linear momentum. Electric field. Electric potential. Angular momentum. ANSWER DOWNLOAD EXAMIANS APP