The time dependence of a current flowing in a coil of self-inductance, L = 10 mH, is shown in Figure 4.1. 2 / (mA) t (ms
Posted: Tue May 31, 2022 10:22 pm
The time dependence of a current flowing in a coil of self-inductance, L = 10 mH, is shown in Figure 4.1. 2 / (mA) t (ms) 2 4 6 10 -1 -2 Figure 4.1 State the equation of the induced emf, E [1 mark] (ii) Calculate the emf, E, across the coil from 0 to 10 ms, taking intervals of 2 ms. Use a table to show your calculations and present the data. [5 marks] (iii) Sketch a well-labelled graph showing the time dependence from 0 to 10 ms of the induced emf, E. [4 marks] (iv) State the equation of energy, W, stored in an inductor. [2 marks] (v) Calculate the energy stored in the inductor at 2 ms, 4 ms, 6 ms, 9 ms. [4 marks] e (1) 1 0 8 12