Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 4 Ω. 400 Ω. 800 Ω. 40 Ω. 4 Ω. 400 Ω. 800 Ω. 40 Ω. 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. ω σ/ε. σ ω ε. σ/ω ε. ω ε/σ. ω σ/ε. σ ω ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of E within the field due to a point charge can be found with help of Faradays law. Lenzs law. Kirchhoffs law. Coulombs law. Faradays law. Lenzs law. Kirchhoffs law. Coulombs law. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor the electric charge is stored in none of above. metal plates. dielectric. both of (A) and (B). none of above. metal plates. dielectric. both of (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which part of magnetic path requires largest mmf? Inductance. Coil. Air gap. Core. Inductance. Coil. Air gap. Core. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The indication of the state of charge of a battery is best given by level of electrolyte. specific gravity of electrolyte. temperature of electrolyte. colour of electrolyte. level of electrolyte. specific gravity of electrolyte. temperature of electrolyte. colour of electrolyte. ANSWER DOWNLOAD EXAMIANS APP
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