# Answer to Question #245850 in Electrical Engineering for Alock kumar

Question #245850

The average value of an oscillating electric current over one period may be zero. For example, 2nt suppose that the current is described by a simple sinusoid: i(t) = sin 2πt/T where T is the period.

The average value of this function can be determined by the following equation:

i=∫ν0^T(2πt/T)dt/T-0 = -cos(2π) + cos0/T=0

Despite the fact that the net result is zero, such current is capable of performing work and generating heat . Therefore, electrical engineers often characterize such current by

I RMS = √1\T∫ν0^Ti^2(t)dt

where i(t) = the instantaneous current. Calculate the RMS or root-mean-square current of the waveform shown in following figure using the trapezoidal rule, Simpson's 1/3 rule, Simpson's 3/8 rule for T =1 s taking n = 6.

1
2021-10-04T04:55:44-0400

The common types of interference include adjacent channel Interference (ACI), co-channel Interference (CCI), Electromagnetic Interference(EMI), ICI (Inter Carrier Interference), ISI (Inter Symbol Interference), light Interference, Sound Interference .   Need a fast expert's response?

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