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KCET2025PhysicsAlternating Current

A sinusoidal voltage produced by an AC generator at any instant t is given by an equation V =311 314 t . The rms value of voltage and frequency are respectively

Options

  1. A200 ~V , 50 ~Hz
  2. B220 ~V , 100 ~Hz
  3. C220 ~V , 50 ~Hz
  4. D200 ~V , 100 ~Hz

Correct answer

C. 220 ~V , 50 ~Hz

Step-by-step solution

aligned & V=311 314 t V _ ms = V ₀ 2 = 311 2 =220 ~V & ~W =2 f & 314=2 f f =50 ~Hz [For sinusoidal AC] aligned

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