Electric Circuits In direct arc furnace which of following is of high value? Current. Voltage. All of above. Power factor. Current. Voltage. All of above. Power factor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 4.78 µF. 8.51 µF. 10.54 µF. 1.8 µF. 4.78 µF. 8.51 µF. 10.54 µF. 1.8 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as cosine of angle between voltage and current. both option B and C. sine of voltage and current. ratio of resistance versus impedance. cosine of angle between voltage and current. both option B and C. sine of voltage and current. ratio of resistance versus impedance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A dependent source can be both a voltage or a current source. a voltage source. neither a voltage nor a current source. a current source. both a voltage or a current source. a voltage source. neither a voltage nor a current source. a current source. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by σ ω ε. ω σ/ε. ω ε/σ. σ/ω ε. σ ω ε. ω σ/ε. ω ε/σ. σ/ω ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ? None of these. 1 V. 0.01 V. 0.1 V . None of these. 1 V. 0.01 V. 0.1 V . ANSWER DOWNLOAD EXAMIANS APP