Electric Circuits The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be 4. 2. 0.5. 0.25. 4. 2. 0.5. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, infinite infinite, zero infinite, infinite zero, zero zero, infinite infinite, zero infinite, infinite zero, zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following is invariably seen in an electroplating plant? Barrel. Distilled water. Rectifier. Carbon brushes. Barrel. Distilled water. Rectifier. Carbon brushes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 25 Ohms. 100 Ohms. 200 Ohms. 50 Ohms. 25 Ohms. 100 Ohms. 200 Ohms. 50 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2) ω1 - ω2 √(ω1² + ω2²) ω1 / ω2 ω1 + ω2 ω1 - ω2 √(ω1² + ω2²) ω1 / ω2 ω1 + ω2 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is/are active element? Current source None of these. Both Voltage source Current source None of these. Both Voltage source ANSWER DOWNLOAD EXAMIANS APP
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