Alternating CurrentHard
Question
An AC voltage is given by :
E = E0 sin
Then the mean value of voltage calculated over time interval of T/2 seconds :
E = E0 sin
Then the mean value of voltage calculated over time interval of T/2 seconds :
Options
A.is always zero
B.is never zero
C.is (2e0/π) always
D.may be zero
Solution
If net area of E − t curve is zero for given inteval then average value will be zero.


Create a free account to view solution
View Solution FreeMore Alternating Current Questions
A capacitor of capacity C is connected in A.C. circuit. The applied emf is V = V0 sinωt, then the current is :...Which is not correct for capacitive reactance -...In an AC circuit the potential differences across an inductance and resistance joined in series are respectively 16 V an...In the given a.c. circuit, choose the correct statement(s).In the given a.c. circuit, choose the correct statement(s)....-...