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. 1.414. 0.318. 1.11. 0.57. 1.414. 0.318. 1.11. 0.57. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition for a balanced 3 - phase load is that, each phase has the same value of __________________. power factor. resistance. impedance. all of these. power factor. resistance. impedance. all of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in none of above. both ‘electric field’ and magnetic field’. magnetic field. electric field. none of above. both ‘electric field’ and magnetic field’. magnetic field. electric field. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits During charging, the electrolyte of a lead acid battery becomes weaker. stronger. there is no change in electrolyte. diluted with water. weaker. stronger. there is no change in electrolyte. diluted with water. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The equation for 25 cycles current sine wave having rms value of 30 amps, will be 42.4sin25πt. 30sin50πt. 30sin25πt. 42.4sin50πt. 42.4sin25πt. 30sin50πt. 30sin25πt. 42.4sin50πt. 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 ω σ/ε. σ ω ε. ω ε/σ. σ/ω ε. ω σ/ε. σ ω ε. ω ε/σ. σ/ω ε. ANSWER DOWNLOAD EXAMIANS APP
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