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(a) An electric light is in series with an inductor and an a.c. source, lighting with...

(a) An electric light is in series with an inductor and an a.c. source, lighting with certain intensity. How does the intensity of the light changes (i) on increasing the inductance (ii) on increasing the frequency? Give reasons in support of your answer. (2.5marks) (b) A 402 resistor is connected in series with a 20mH inductor to a 12 V a.c. supply. Find the inductive reactance of the coil if the circuit current is 3mA. (1.5 marks) (c) Draw the graphs between the following physical quantities (3marks) (i) inductive reactance with inductance (ii) inductive reactance with frequency (iii) current through inductor with inductance (iv) current through inductor with frequency (v) current and voltage in resistor (vi) current through
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