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- Under what conditions might wires in a circuit where the current flows in only one direction emit electromagnetic waves (select all that apply)? When the current as a function of time is described by the function I(t) = 6.0 A When the current is switching between two distinct positive values When the current has any nonzero constant value When the current passes through a resistorAn observer at a fixed distance from a light bulb measures the light intensity at her location to be 10 watts/m2. What is the maximum value of the electric field strength at the observer's location? a. 87 N/C b. 61 N/C c. 48 N/C d. 74 N/C e. 100 N/C4. A spotlight shines onto a square target of area 0.35 m?. If the average rms strength of the magnetic field in the EM waves of the spotlight is 1.2 x 107 T, calculate the energy transferred to the target if it remains in the light for 12 minutes. (Give answer in joules) F3 FB #3 2$ 4 & * 2 3 5 8 9 W E T U K