Vishal on entering his apartment, switched ON the tubelight, but it did not work. So, he called the electrician. |
The electrician inspected the tubelight and suggested a replacement of the choke. |
On replacing the choke, Vishal found the tubelight working. |
(i) Identify the values of Vishal. |
(ii) What is the function of a choke in AC circuit? |
(iii) What is the effective resistance of a L-R circuit? |
Answer:
\[Z=\sqrt{{{R}^{2}}+{{(\omega L)}^{2}}}\] (i) Vishal has concern for energy saving and the environment. (ii) A choke coil reduces the current in the AC circuit without any heat loss. (iii) The effective resistance of a L-R circuit,
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