Why is Choke Coil Needed in the Use of Fluorescent Tubes with Ac Mains? - Physics

Why is choke coil needed in the use of fluorescent tubes with ac mains?

Solution

A choke coil is an electrical appliance used for controlling current in an a.c. circuit. Therefore, if we use a resistance R for the same purpose, a lot of energy would be wasted in the form of heat etc

Concept: Alternating Currents

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2013-2014 (March) Delhi Set 1

Q 29.2 Q 29.1 Q 30.1

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2013-2014 (March) Delhi Set 1 (with solutions)

Q 29.2 | 5 marks

2013-2014 (March) Delhi Set 2 (with solutions)

Q 28.2.2 | 1 mark

2013-2014 (March) Delhi Set 3 (with solutions)

Q 30.2.2 | 1 mark

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Why is Choke Coil Needed in the Use of Fluorescent Tubes with Ac Mains? - Physics

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