Iwo solenoids, 1 (red) and 2 (blue) share the same axs with solenoid 2 inside so

Question

Iwo solenoids, 1 (red) and 2 (blue) share the same axs with solenoid 2 inside solenoid 1. Both solenoids are wound n the same direction. When current flows as shown n the diagram, t is measured as positive by the current sensor. Solenoid 2 Solenoid 1 Positive current A signal generator is connected to solenoid 1 and sends a time varying current through it. A selection of possible induced currents are displayed below 0 0 0.1 0.2 0.3 0.4 0.5 time (s) 2 0 0.1 0.2 0.3 0.4 0.5 time (s) 0 0.1 0.2 0.3 0.4 0.5 time (s) 0 0 0.1 0.2 0.3 0.4 0.5 time (s) 2 0 0.1 0.2 0.3 0.4 0.5 time (s) 2 0 0.1 0.2 0.3 0.4 0.5 time (s) 2

Explanation / Answer

part 1) Figure h because induced i is proportional to -di1/dt so negative of differential of the given graph

PART 2 ) Figure e     because induced i is proportional to -di1/dt so negative of differential of the given graph

part c) figure b     because induced i is proportional to -di1/dt so negative of differential of the given graph

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