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 ε/σ. ω σ/ε. σ/ω ε. σ ω ε. ω ε/σ. ω σ/ε. σ/ω ε. σ ω ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the SI unit of electric current ? Ampere. Faraday. None of these Ohm. Ampere. Faraday. None of these Ohm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following can not be connected in series unless they are identical? Both of above. Resistance. Voltage source. Current source. Both of above. Resistance. Voltage source. Current source. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is 50 %. less than 50 %. 100 %. 50 % - 100 %. 50 %. less than 50 %. 100 %. 50 % - 100 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. infinite, infinite infinite, zero zero, zero zero, infinite infinite, infinite infinite, zero zero, zero zero, infinite ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electrical resistance of human body is around 250 ohms. 5 ohms. 25 ohms. 1000 ohms. 250 ohms. 5 ohms. 25 ohms. 1000 ohms. ANSWER DOWNLOAD EXAMIANS APP
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