Electro Magnetic Induction And Alternating Currents Question 111

Question: If an alternating voltage is represented as E=141sin(628,t), then the rms value of the voltage and the frequency are respectively [Kerala PET 2005]

Options:

A) 141V,,628Hz

B) 100V,,50Hz

C) 100V,,100Hz

D) 141V,100Hz

Show Answer

Answer:

Correct Answer: C

Solution:

E=141sin(628,t), Erms=E02=1411.41=100V and 2πf=628

Þ f=100Hz



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