Electric Circuits Which of the following has least resistivity? Aluminium. Copper. Mercury. Lead. Aluminium. Copper. Mercury. Lead. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? None of these. Regenerative. Plugging. Dynamic. None of these. Regenerative. Plugging. Dynamic. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect two in parallel and one in series. three in series. three in parallel. two in parallel. two in parallel and one in series. three in series. three in parallel. two in parallel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance? 0.049 H. None of these. 0.058 H. 0.029. 0.049 H. None of these. 0.058 H. 0.029. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is 111 ± 0 Ω. 111 ± 7.23 Ω. 111 ± 5.55 Ω. 111 ± 2.77 Ω. 111 ± 0 Ω. 111 ± 7.23 Ω. 111 ± 5.55 Ω. 111 ± 2.77 Ω. 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 phase angle of current in respect of supply voltage will be 28.8o. 20.2o. 32.1o. 40.4o. 28.8o. 20.2o. 32.1o. 40.4o. ANSWER DOWNLOAD EXAMIANS APP
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