Electric Circuits Power factor can be defined as cosine of angle between voltage and current. sine of voltage and current. ratio of resistance versus impedance. both option B and C. cosine of angle between voltage and current. sine of voltage and current. ratio of resistance versus impedance. both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be 4:1. 1:1. 1:2. 1:8. 4:1. 1:1. 1:2. 1:8. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is 10.16 A. 5.08 A. 2.54 A. 1.27 A. 10.16 A. 5.08 A. 2.54 A. 1.27 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacity of a cell is measured in amperes. ampere-hour. watts. watt-hours. amperes. ampere-hour. watts. watt-hours. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 10 Hz. 1 Hz. 100 Hz. 1000 Hz. 10 Hz. 1 Hz. 100 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Kirchhoff’s current law is used for nodal analysis. representing a current source. loop analysis. finding equivalent resistance. nodal analysis. representing a current source. loop analysis. finding equivalent resistance. ANSWER DOWNLOAD EXAMIANS APP
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