Electric Circuits If one cycle of AC waveform occurs every millisecond, the frequency will be 100 Hz. 1000 Hz. 50 Hz. 10 kHz. 100 Hz. 1000 Hz. 50 Hz. 10 kHz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A certain network consists of large number of ideal linear resistances, one of which is designated as R and two constant ideal source. The power consumed by R is P1 when only the first source is active and P2 when only second source is active. In both sources are active simultaneously then the power consumed by R is (√P1 ± √P2)2. √P1 ± √P2. (P1 ± P2 )2. P1 ± P2 . (√P1 ± √P2)2. √P1 ± √P2. (P1 ± P2 )2. P1 ± P2 . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – εr/F. 0. F. F εr. εr/F. 0. F. F εr. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as flux density. none of above. susceptibility. relative permeability. flux density. none of above. susceptibility. relative permeability. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a lead acid cell PbSO4 formed during neither during charging nor discharging. charging only. both during charging as well as discharging. discharging only. neither during charging nor discharging. charging only. both during charging as well as discharging. discharging only. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Apparent power × cosθ. Real power × cosθ. Apparent power × sinθ. Real power × sinθ. Apparent power × cosθ. Real power × cosθ. Apparent power × sinθ. Real power × sinθ. ANSWER DOWNLOAD EXAMIANS APP