Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 1.8 µF. 8.51 µF. 4.78 µF. 10.54 µF. 1.8 µF. 8.51 µF. 4.78 µF. 10.54 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing 5 mH. 0 mH. 10 mH. 20 mH. 5 mH. 0 mH. 10 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 400 Ω. 800 Ω. 4 Ω. 40 Ω. 400 Ω. 800 Ω. 4 Ω. 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? 27∠30o Ω None of these 30∠30o Ω. 3∠30o Ω. 27∠30o Ω None of these 30∠30o Ω. 3∠30o Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit which of the following represents the Q factor ? XC/R VR/V XL/R All of these XC/R VR/V XL/R All of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is the correct relation? AB-CD = 1 . AC-BD = 1. AD-BC = 1. all of these. AB-CD = 1 . AC-BD = 1. AD-BC = 1. all of these. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS