Electric Circuits Two identical resistors are first connected in parallel then in series. The ratio of resultant resistance of the first combination to the second will be 0.25. 4. 2. 0.5. 0.25. 4. 2. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has least resistivity? Aluminium. Lead. Copper. Mercury. Aluminium. Lead. Copper. Mercury. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Reciprocity condition for h parameters is h11h22 - h21h12 = 0. h12 = h21. h12 = - h21. h12 = h21. h11h22 - h21h12 = 0. h12 = h21. h12 = - h21. h12 = h21. ANSWER DOWNLOAD EXAMIANS APP
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? 100 Hz. 10 Hz. 1000 Hz. 1 Hz. 100 Hz. 10 Hz. 1000 Hz. 1 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F. F εr. εr/F. 0. F. F εr. εr/F. 0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is 50.8 V. 24.4 V . 40.8 V. 30.6 V. 50.8 V. 24.4 V . 40.8 V. 30.6 V. ANSWER DOWNLOAD EXAMIANS APP
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