Electric Circuits A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is 2f0. f0 / 4. f0 / 2. still f0. 2f0. f0 / 4. f0 / 2. still f0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 14.14A. 30A. 22.4A. 17.3A . 14.14A. 30A. 22.4A. 17.3A . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is 1.27 A. 2.54 A. 5.08 A. 10.16 A. 1.27 A. 2.54 A. 5.08 A. 10.16 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following is invariably seen in an electroplating plant? Barrel. Rectifier. Carbon brushes. Distilled water. Barrel. Rectifier. Carbon brushes. Distilled water. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For closer tolerance which of the following capacitors is usually preferred? Paper capacitor. Mica capacitor. Ceramic disc capacitor. None of them. Paper capacitor. Mica capacitor. Ceramic disc capacitor. None of them. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to 72 AT / m. 222 AT / m. 144 AT / m. 196 AT / m. 72 AT / m. 222 AT / m. 144 AT / m. 196 AT / m. ANSWER DOWNLOAD EXAMIANS APP
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