Electric Circuits Which material has extremely large resistance? None of these Conductor Insulator Semiconductor None of these Conductor Insulator Semiconductor 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 σ ω ε. ω ε/σ. σ/ω ε. ω σ/ε. σ ω ε. ω ε/σ. σ/ω ε. ω σ/ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? Both option A and B. None of these. Apperant power × cosφ. VIcosφ. Both option A and B. None of these. Apperant power × cosφ. VIcosφ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Dextrol. Any of above. Glycerine. Phenol. Dextrol. Any of above. Glycerine. Phenol. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following Y-parameters is dimensionless? Y11. Y12. none of these. Y22. Y11. Y12. none of these. Y22. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by - 90o. lags the emf by 90o. leads the emf by 90o. is in phase with emf. leads the emf by - 90o. lags the emf by 90o. leads the emf by 90o. is in phase with emf. ANSWER DOWNLOAD EXAMIANS APP
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