A wire of resistance R is coiled inductively so that its inductance is L. The impedance of the coil at a frequency of f isPhysics A. (R+2πfL) B. R+1/2πfL C. (R2+f2L2) D. (R2+4π2f2L2)
Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?
The most fundamental of all sciences which provides basic principles and fundamental laws to other branches of science is
