Alternating CurrentMedium
Question
The voltage of an AC source varies with time according to the equation, V = 100 sin 100 π t cos 100 πt. Where t is in second and V is in volt. Then :
Options
A.the peak voltage of the source is 100 volt
B.the peak voltage of the source is (100/√2) volt
C.the peak voltage of the source is 50 volt
D.the frequency of the source is 50 Hz
Solution
V = 100 sin100π t cos 100π t
V = 50 sin 200 π t
here VO = 50 & ω = 200π f = 100 Hz
V = 50 sin 200 π t
here VO = 50 & ω = 200π f = 100 Hz
Create a free account to view solution
View Solution FreeMore Alternating Current Questions
Turn ratio a step up transformer is 1 : 2 if a Lechlanche cell of 1.5 V is connected across the input, then the voltage ...If a choke coil of negligble resistance works on 220V source and 5 mA current is flowing through it, then the loss of po...In a step up transfomer the trun ratio is 1 : 2. A cell of 1.5 V is connected across primary. The voltage across seconda...If frequency of alternating source is made zero then which of the following statement is true :-...The capacitance of a telephone wire of length 300 km is 0.01 μF per km. If wire caries an ac of 5 kHz, what should ...