Electric Circuits Voltage magnification will occur in which of the following case? Both Parallel resonance None of these Series resonance Both Parallel resonance None of these Series resonance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 0.85. 1. 0.4. 10. 0.85. 1. 0.4. 10. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Zero frequency Greater than resonance frequency Less than resonance frequency Equal to resonance frequency Zero frequency Greater than resonance frequency Less than resonance frequency Equal to resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following quantities remain the same in all parts of a parallel circuit current. voltage. power. resistance. current. voltage. power. resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 25 Ohms. 50 Ohms. 200 Ohms. 100 Ohms. 25 Ohms. 50 Ohms. 200 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Common impurity in battery electrolyte is lead sulfate. sodium chloride. dust. iron. lead sulfate. sodium chloride. dust. iron. ANSWER DOWNLOAD EXAMIANS APP