Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 200 Ohms. 25 Ohms. 50 Ohms. 100 Ohms. 200 Ohms. 25 Ohms. 50 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP
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? RYB. BYR. YBR. RBY. RYB. BYR. YBR. RBY. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as cosine of angle between voltage and current. sine of voltage and current. ratio of resistance versus impedance. both option B and C. cosine of angle between voltage and current. sine of voltage and current. ratio of resistance versus impedance. both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If all the elements in a particular network are linear, then the superposition theorem would hold, when the excitation is Either AC or DC An Impulse AC only DC only Either AC or DC An Impulse AC only DC only ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it. both of above parallel series none of them both of above parallel series none of them ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is 50 %. less than 50 %. 50 % - 100 %. 100 %. 50 %. less than 50 %. 50 % - 100 %. 100 %. ANSWER DOWNLOAD EXAMIANS APP
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