Electric Circuits If C be the capacitance, V be the potential difference and I be the current, then I / CV will have the unit of frequency. reactive power. power. time. frequency. reactive power. power. time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The Laplace Transform of a shifted unit step f (t) = U (t-a) is s(1-e-as). (e-as)/s. e-as. se-as. s(1-e-as). (e-as)/s. e-as. se-as. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Super position theorem is not applicable for current calculations. None of these voltage calculations. power calculations. current calculations. None of these voltage calculations. power calculations. 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? 3P. P/3. P. √3P. 3P. P/3. P. √3P. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 7 V. 4.123 V. 5 V. {3 + 2(1.141)} V. 7 V. 4.123 V. 5 V. {3 + 2(1.141)} V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called a cycle in case of AC operation ? Option A and C both. When ac completes the (+)ve half, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When an alternating quantity completes the (–)ve cycle, is called a cycle. Option A and C both. When ac completes the (+)ve half, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When an alternating quantity completes the (–)ve cycle, is called a cycle. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS