Electric Circuits Which of the following materials has highest electrical conductivity ? Silver. Steel. Aluminium. Copper. Silver. Steel. Aluminium. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Kirchhoff's second law is based on law of conservation of charge. mass. energy. momentum. charge. mass. energy. momentum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Phenol. Any of above. Dextrol. Glycerine. Phenol. Any of above. Dextrol. Glycerine. ANSWER DOWNLOAD EXAMIANS APP
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 800 Ω. 40 Ω. 4 Ω. 400 Ω. 800 Ω. 40 Ω. 4 Ω. 400 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is meant by the rate of flow of an electric charge? Electric current. Electric resistance. None of these Electric potential. Electric current. Electric resistance. None of these Electric potential. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 4.123 V. 7 V. {3 + 2(1.141)} V. 5 V. 4.123 V. 7 V. {3 + 2(1.141)} V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
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