Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 4R. 2R. R. 0.5R. 4R. 2R. R. 0.5R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as cosine of angle between voltage and current. ratio of resistance versus impedance. sine of voltage and current. both option B and C. cosine of angle between voltage and current. ratio of resistance versus impedance. sine of voltage and current. both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be R Ω 4R Ω 2R Ω 8R Ω R Ω 4R Ω 2R Ω 8R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure? 4 A. 3 A. 0 A. 2 A. 4 A. 3 A. 0 A. 2 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following Y-parameters is dimensionless? Y11. none of these. Y12. Y22. Y11. none of these. Y12. Y22. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? dielectric losses decreases. open circuit. dielectric losses increases. short circuit. dielectric losses decreases. open circuit. dielectric losses increases. short circuit. ANSWER DOWNLOAD EXAMIANS APP
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