1) In ignition coil, What is the ratio between the number of turns of primary and secondary windings? 2) The induction coil steps up low voltage current of 6 or 12 volts to high voltage current upto about ____? 3) For how many times the contact breaker must make and break the circuit for a four-cylinder engine operating at N rpm? 4) What are the type of ignition system?

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