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. 25 Ohms. 200 Ohms. 50 Ohms. 100 Ohms. 25 Ohms. 200 Ohms. 50 Ohms. 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 75. 15. 105. 60. 75. 15. 105. 60. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following substance when added to electrolyte promotes smooth deposition? Glucose. Albumen. Gelatine. Any of above. Glucose. Albumen. Gelatine. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance? 200 times. 60 times. 20 times. Nil. 200 times. 60 times. 20 times. Nil. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of a practical voltage source is considered to be connected in parallel. either parallel or series. series. None of these parallel. either parallel or series. series. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is not equivalent to watts? Ampere-volts. Joules per second. Amperes/volt. Ampere2 – Ohm. Ampere-volts. Joules per second. Amperes/volt. Ampere2 – Ohm. ANSWER DOWNLOAD EXAMIANS APP
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