Ohm is unit of all of the following except___________?

Related Mcqs:

1. Power factor of the following circuit will be unity

   A. inductance
   B. capacitance
   C. resistance
   D. both A. and B.

2. For the same peak value, which of the following wave has the least mean value ?

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

3. Power factor of the following circuit will be zero__________?

   A. resistance
   B. inductance
   C. capacitance
   D. both B. and C.

4. The square waveform of current has following relation between r.m.s. value and average value?

   A. r.m.s. value is equal to average value
   B. r.m.s. value of current is greater than average value
   C. r.m.s. value of current is less than average value
   D. none of the above

5. The phosphors for which of the following pair are 180° out of phase for VL, VC and VR______?

   A. Vc and VR
   B. VL and VR
   C. Vc and VL
   D. none of the above

6. Which of the following refers to a parallel circuit ?

   A. The current through each element is same
   B. The voltage across element is in proportion to it’s resistance value
   C. The equivalent resistance is greater than any one of the resistors
   D. The current through any one element is less than the source current

7. Which of the following statements pertains to resistors only _____________?

   A. can dissipate considerable amount of power
   B. can act as energy storage devices
   C. connecting them in parallel in¬creases the total value
   D. oppose sudden changes in voltage

8. Which of the following coil will have large resonant frequency __________?

   A. A coil with large resistance
   B. A coil with low resistance
   C. A coil with large distributed capacitance
   D. A coil with low distributed capacitance

9. If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave_________ ?

   A. 42.42 sin 3141
   B. 60 sin 25 t
   C. 30 sin 50 t
   D. 84.84 sin 25 t

10. Which of the following circuit component opposes the change in the circuit voltage ?

    A. Inductance
    B. Capacitance
    C. Conductance
    D. Resistance