Electric Circuits Time constant of RC series circuit is 2L/R RC 2RC L/R 2L/R RC 2RC L/R ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? Z and I. VR and I. VL and Z. VL and VR. Z and I. VR and I. VL and Z. VL and VR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the dielectric of a capacitor is replaced by conducting material the capacitor will get heated up due to eddy currents. the capacitor can store infinite charge. the capacitance value of the plate will decrease. the plate will get short circuited. the capacitor will get heated up due to eddy currents. the capacitor can store infinite charge. the capacitance value of the plate will decrease. the plate will get short circuited. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following quantities consists of SI unit as WATT ? Current Force Power Charge Current Force Power Charge ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by 90o. lags the emf by 90o. leads the emf by - 90o. is in phase with emf. leads the emf by 90o. lags the emf by 90o. leads the emf by - 90o. is in phase with emf. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Image impedance can be written by using short circuit impedance(Zsc)and open circuit impedance(Zoc) as Zsc+Zoc Zsc/Zoc (Zsc . Zoc)½ Zsc-Zoc Zsc+Zoc Zsc/Zoc (Zsc . Zoc)½ Zsc-Zoc ANSWER DOWNLOAD EXAMIANS APP
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