Two concentric imaginary spherical surfaces of radius R and 2R respectively surround a positive point charge Q located at the center of the surfaces. When compared to the electric flux φ1 through the surface of radius R, the electric flux φ2 through the surface of radius 2R is. a. φ2 = 1/4φ1b. φ2 = 1/2φ1c. φ2 = φ1d. φ2 = 2φ1e. φ2 = 4φ1

British cologoinst admisitrion

Answer: 1.4 seconds which is the third optionexplanation: current is defined as the flow of charge per timetherefore, the equation that relates current, charge and time can be expressed as follows: i = δq / δtwhere: i is the current given = 1.8 ampereδq is the charge given = 2.5 coulombδt is the time required for the flow of the given charges to give the 1.8 ampere.substitute with the givens in the above equation to get the time as follows: 1.8 = 2.5 / δtδt = 2.5 / 1.8 = 1.38888 which is approximately 1.4 secondshope this was !

B. elliptical. as in oval. 0 (==