Electric Circuits A current is said to be alternating when it changes in both ‘a’ and ‘b’. direction. magnitude. none of these. both ‘a’ and ‘b’. direction. magnitude. none of these. ANSWER DOWNLOAD EXAMIANS APP
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. still f0. f0 / 2. f0 / 4. 2f0. still f0. f0 / 2. f0 / 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 3.149 1 2.56 0.5 3.149 1 2.56 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Active filter consists of op-amp and capacitor. capacitor. op-amp. inductor. op-amp and capacitor. capacitor. op-amp. inductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Any of above. Glycerine. Phenol. Dextrol. Any of above. Glycerine. Phenol. Dextrol. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Types of rotating machines IM. both B and C. synchronous machine. transformer. IM. both B and C. synchronous machine. transformer. ANSWER DOWNLOAD EXAMIANS APP
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