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 ε/σ. σ ω ε. ω σ/ε. σ/ω ε. ω ε/σ. σ ω ε. ω σ/ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor. 1.11. 1.414. 0.318. 0.57. 1.11. 1.414. 0.318. 0.57. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electrolyte for silver plating is any of above. dilute sulphuric acid. double cyanide of silver and potassium solution. potassium nitrate solution. any of above. dilute sulphuric acid. double cyanide of silver and potassium solution. potassium nitrate solution. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following defined the average value ? Voltage Current Heating effect Charge transfer Voltage Current Heating effect Charge transfer ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be 2.21 μF. 3 μF. 9.67 μF. 6 μF. 2.21 μF. 3 μF. 9.67 μF. 6 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current efficiency in electroplating is usually 90 to 98 %. 70 to 80 %. 99 %. 50 to 60 %. 90 to 98 %. 70 to 80 %. 99 %. 50 to 60 %. ANSWER DOWNLOAD EXAMIANS APP