Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 40 Ω. 4 Ω. 800 Ω. 400 Ω. 40 Ω. 4 Ω. 800 Ω. 400 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits? Oil impregnated paper. Glass. Titanium oxide. Vacuum, air. Oil impregnated paper. Glass. Titanium oxide. Vacuum, air. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases? VL and I. Z and I. VL and Z. VL and VR. VL and I. Z and I. VL and Z. VL and VR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition for a balanced 3 - phase load is that, each phase has the same value of __________________. impedance. resistance. all of these. power factor. impedance. resistance. all of these. power factor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is form factor? R.M.S. value / Average value. Average value / Peak value. Average value / R.M.S. value. Instantaneous value / Average value. R.M.S. value / Average value. Average value / Peak value. Average value / R.M.S. value. Instantaneous value / Average value. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Internal resistance of ideal voltage source is 100 ohms zero finite infinite 100 ohms zero finite infinite ANSWER DOWNLOAD EXAMIANS APP
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