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 ω σ/ε. σ/ω ε. σ ω ε. ω ε/σ. ω σ/ε. σ/ω ε. σ ω ε. ω ε/σ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If C be the capacitance, V be the potential difference and I be the current, then I / CV will have the unit of frequency. time. reactive power. power. frequency. time. reactive power. power. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor in a circuit became hot and ultimately exploded due to wrong connection, which type of capacitor it could be? Ceramic capacitor. Any of above. Paper capacitor. Electrolytic capacitor. Ceramic capacitor. Any of above. Paper capacitor. Electrolytic capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a mica dielectric εR = 6, a plate area of a 10 inches2 and a separation 0.01 inch. Find the value of C 1.349 nF. 1.349 μF. 1.349 F. 0 F. 1.349 nF. 1.349 μF. 1.349 F. 0 F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In ac RC series circuit total voltage is 10V and voltage across resistor is 6V, then what is voltage across capacitor? 8V 4V 10V 16V 8V 4V 10V 16V ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is apparent power in AC operation? Product of voltage and current. Product of rms voltage and rms current. Product of voltage and current at no load. Product of voltage and current at full load. Product of voltage and current. Product of rms voltage and rms current. Product of voltage and current at no load. Product of voltage and current at full load. ANSWER DOWNLOAD EXAMIANS APP
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