Along wire is known to have a radius greater than 10.0 mm and less 20 mm, carry a current uniformly distributed over its cross section. if the magnitude of the magnetic field is 3 mt at a point 6.0 mm from the axis of the wire and 1.50 mt at a point 20 mm from the axis, what is the radius of the wire?

Answer asap 50 points which of the following illustrates how a venus fly trap senses that an insect has landed in its open leaves? 1. using tiny hairs, the leaves sense a change in light. 2. using tiny hairs, the leaves taste a chemical. 3. using tiny hairs, the leaves detect a touch. 4. using tiny hairs, the leaves sense a change in water levels.