33. The U.S. has an alternating current frequently of 60Hz. France has an altern

Question

33. The U.S. has an alternating current frequently of 60Hz. France has an alternating current frequency of 50Hz. This means that: A. The number of times voltage cycles in a minute in the U.S. is greater thar B. C. D. the number of times voltage cycles in France. The peak voltage in France is smaller than the peak voltage in the United States. The peak current in France is smaller than the peak current in the United States. More than one of the above options is accurate. 34. A student connects a 50.02 resistor to a 9.0V battery. What is the resulting current? A. 450A B. 5.6A C. 0.18A D. 90.A

Explanation / Answer

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33.

Answer iS "A"

Since Time period of US

T=1/f =1/60 =0.01667 Hz

For France

T=1/50 =0.02 HZ

In a Minute ,US Number of time Voltage cycles in a minute is

N=60/0.01667=3600

For France

N=60/0.02 =3000 Hz

34.

Current

I=V/R =9/50 =0.18 A

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