Electric Circuits Which of the following elements is/are called dynamic element/s? Both L and C. R. C. L. Both L and C. R. C. L. ANSWER DOWNLOAD EXAMIANS APP
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 value of E within the field due to a point charge can be found with help of Kirchhoffs law. Coulombs law. Lenzs law. Faradays law. Kirchhoffs law. Coulombs law. Lenzs law. Faradays law. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric flux is proportional to rate of change of current. rate of change of potential difference. resistivity of medium. potential difference between electrodes. rate of change of current. rate of change of potential difference. resistivity of medium. potential difference between electrodes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? VIcosφ. Both option A and B. Apperant power × cosφ. None of these. VIcosφ. Both option A and B. Apperant power × cosφ. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is almost 25% charged. when capacitor is fully charged. initially. when capacitor is half charged. when capacitor is almost 25% charged. when capacitor is fully charged. initially. when capacitor is half charged. ANSWER DOWNLOAD EXAMIANS APP