Lakshya Education MCQs

Question: In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will
Options:
A. Be reduced by half
B. Be doubled
C. Be four times at high
D. Be reduced to one fourth
Answer: Option A

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More Questions on This Topic :

Question 1. In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will
  1.     Be reduced by half
  2.     Be doubled
  3.     Be four times as high
  4.     Be reduced to one fourth
Answer: Option B
Question 2. The equation of 50 hz current sine wave having r.m.s. value of 60 a is
  1.     60 sin 25 t
  2.     60 sin 50 t
  3.     84.84 sin 3141
  4.     42.42 sin 314 t
Answer: Option C
Question 3. In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will
  1.     Be reduced by half
  2.     Be doubled
  3.     Be four times as high
  4.     Be reduced to one fourth
Answer: Option B
Question 4. For a sine wave with peak value imax the r.m.s. value is
  1.     0.5 Imax
  2.     0.707
  3.     0.9
  4.     1.414 Imax
Answer: Option B
Question 5. For a frequency of 200 hz, the time period will be
  1.     0.05 s
  2.     0.005 s
  3.     0.0005 s
  4.     0.5 s
Answer: Option B
Question 6. The r.m.s. value and mean value is the same in the case of
  1.     Triangular wave
  2.     Sine wave
  3.     Square wave
  4.     Half wave rectified sine wave
Answer: Option C

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