Question

1. Two simple, single loop circuits are positioned next to each other on the plane of a desk. The first consists of a 10 v battery, a switch and an 0.2 mH inductor. The second has a 0.3 mH inductor and a galvanometer. The inductors from each circuit are aligned (coaxial). Which of the following is true? a). The galvanometer will have a reading as long as the switch is closed b). The galvanometer can never have a reading c) The galvanometer reads the current from the battery d). There is a momentary reading on the galvanometer as the switch closes

2. A rectangular conducting loop is positioned in the x/y plane in between two long conducting wires (each carrying identical currents along the +y direction that are increasing equally with time). Describe the induced current in the loop. a) There is no current in the loop. b). It is clockwise when viewed from in front c). It is counterclockwise when viewed from in front d). It depends upon the magnitudes of the currents in the wires

3. Consider the same situation as given in question #4. If the current in the long conducting wire that is positioned to the left of the loop has a larger changing current than the wire on the right, determine the nature of the induced current in the loop once again. a). There is no current in the loop b). It is clockwise when viewed from in front c). It is counterclockwise when viewed from in front d). It depends upon the magnitudes of the currents in the wires

Answer 1

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