Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 1 Hz. 10 Hz. 1000 Hz. 100 Hz. 1 Hz. 10 Hz. 1000 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 14.14A. 17.3A . 22.4A. 30A. 14.14A. 17.3A . 22.4A. 30A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be 5 A 1 A 3.33 A 23.33 A 5 A 1 A 3.33 A 23.33 A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has no units? Magnetic susceptibility Permittivity Moment of a magnet Permeability Magnetic susceptibility Permittivity Moment of a magnet Permeability ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The unit of electric field intensity is F / m. N / C. F/ m2. N / Ampere. F / m. N / C. F/ m2. N / Ampere. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be 76.66. 36.36. 66.66. 40.25. 76.66. 36.36. 66.66. 40.25. ANSWER DOWNLOAD EXAMIANS APP
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