Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? YBR. RBY. RYB. BYR. YBR. RBY. RYB. BYR. 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? 3∠30o Ω. 30∠30o Ω. None of these 27∠30o Ω 3∠30o Ω. 30∠30o Ω. None of these 27∠30o Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit given below the value of resistance Req is 11.18 Ω. 11.86 Ω. 10 Ω. 25 Ω. 11.18 Ω. 11.86 Ω. 10 Ω. 25 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant is the time taken for response to rise -------of maximum value? 68.3% 90% 63.2% 100% 68.3% 90% 63.2% 100% ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be 6 μF. 3 μF. 9.67 μF. 2.21 μF. 6 μF. 3 μF. 9.67 μF. 2.21 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Unit step function is first derivative of impulse function. parabolic function. gate function. ramp function. impulse function. parabolic function. gate function. ramp function. ANSWER DOWNLOAD EXAMIANS APP
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