Electric Circuits The energy stored by a capacitor is given by 1/2 CV2. Q2 / 2C. all of them. 1/2 QV. 1/2 CV2. Q2 / 2C. all of them. 1/2 QV. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of E within the field due to a point charge can be found with help of Coulombs law. Lenzs law. Kirchhoffs law. Faradays law. Coulombs law. Lenzs law. Kirchhoffs law. Faradays law. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 200 Ohms. 100 Ohms. 50 Ohms. 400 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 400 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current is said to be alternating when it changes in magnitude. none of these. both ‘a’ and ‘b’. direction. magnitude. none of these. both ‘a’ and ‘b’. direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In active filter which element is absent? Capacitor. Inductor. Resistor. Both of above. Capacitor. Inductor. Resistor. Both of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits While Thevenizing a circuit between two terminals, VTH is equal to none of these. net voltage available in the circuit. open circuit terminal voltage . short circuit terminal voltage. none of these. net voltage available in the circuit. open circuit terminal voltage . short circuit terminal voltage. ANSWER DOWNLOAD EXAMIANS APP
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