Electric Circuits The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be in 4 parallel rows each row having 3 cells in series. all 12 in series. all 12 in parallel. in 3 parallel rows each row having 4 cells in series. in 4 parallel rows each row having 3 cells in series. all 12 in series. all 12 in parallel. in 3 parallel rows each row having 4 cells in series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current is said to be alternating when it changes in both ‘a’ and ‘b’. none of these. magnitude. direction. both ‘a’ and ‘b’. none of these. magnitude. direction. 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 30A. 17.3A . 22.4A. 14.14A. 30A. 17.3A . 22.4A. 14.14A. ANSWER DOWNLOAD EXAMIANS APP
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 60. 15. 75. 105. 60. 15. 75. 105. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. ANSWER DOWNLOAD EXAMIANS APP
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