Electrical Engineering Questions And Answers :: Circuits And Circuit Theory: part1

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Electrical Engineering : Circuits And Circuit Theory QUESTIONS AND ANSWERS :: part1 : 21 to 25

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

 21.For a sine wave with peak value Imax the r.m.s. value is 0.5 Imax 0.707 0.9 1.414 Lmax ANSWER : : 0.707 Explanation :
 22.For a frequency of 200 Hz, the time period will be 0.05 s 0.005 s 0.0005 s 0.5 s ANSWER : : 0.005 s Explanation :
 23.The form factor is the ratio of peak value to r.m.s. value r.m.s. value to average value average value to r.m.s. value none of the above ANSWER : : r.m.s. value to average value Explanation :
 24.The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes_____ohms. 2.5 5 10 15 ANSWER : : 10 Explanation :

More Circuits And Circuit Theory QUESTIONS AND ANSWERS available in next pages

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