The period of a wave is___________?

Related Mcqs:

1. The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be___________?

   A. 282.8 V
   B. 141.4 V
   C. 111 V
   D. 100 V

2. The peak value of a sine wave is 200 V. Its average value is___________?

   A. 127.4 V
   B. 141.4 V
   C. 282.8 V
   D. 200V

   Updated by: Ihtisham Ul Haq

3. The period of a sine wave is _____ seconds. Its frequency is

   A. 20 Hz
   B. 30 Hz
   C. 40 Hz
   D. 50 Hz

4. For the same peak value which of the following wave will ‘have the highest r.m.s. value?

   A. square wave
   B. half wave rectified sine wave
   C. triangular wave
   D. sine wave

5. The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that

   A. both waves must have same frequency
   B. both waves must have identical peak values
   C. both waves must have zero value at the same time
   D. none of the above

6. A sine wave has a frequency of 50 Hz. Its angular frequency is ________ radian/second.

   A. 100 n
   B. 50 jt
   C. 25 JT
   D. 5 n

7. For a sine wave with peak value Imax the r.m.s. value is_______?

   A. 0.5 Imax
   B. 0.707
   C. 0.9
   D. 1.414 Lmax

8. For a sine wave with peak value Emax _______ 8.30. the average value is?

   A. 0.636 Emax
   B. 0.707 Emax
   C. 0.434 EWc
   D. lAUEmax

9. In a sine wave the slope is constant_______?

   A. between 0° and 90°
   B. between 90° and 180°
   C. between 180° and 270°
   D. no where

10. What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value________ ?

    A. 0°
    B. 45°
    C. 90°
    D. 180°