Electric Circuits 2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is 105. 60. 15. 75. 105. 60. 15. 75. 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 8R Ω 2R Ω R Ω 4R Ω 8R Ω 2R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current? 10A 2A 0A 5A 10A 2A 0A 5A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as ratio of resistance versus impedance. both option B and C. cosine of angle between voltage and current. sine of voltage and current. ratio of resistance versus impedance. both option B and C. cosine of angle between voltage and current. sine of voltage and current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which quantity should be measured by the voltmeter ? Power Voltage Current Speed Power Voltage Current Speed ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant voltage source has minimum current capacity. high internal resistance. minimum efficiency. low internal resistance. minimum current capacity. high internal resistance. minimum efficiency. low internal resistance. ANSWER DOWNLOAD EXAMIANS APP
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