A) electrical generator.
B) electrical transformer.
C) static electricity generator.
D) large capacitor.
Correct Answer: B
Solution :
Option [b] is correct. Explanation: A spark coil is a type of electrical transformer used to produce high-voltage pulses from to low- voltage (DC) supply. To create the flux changes necessary to induce voltage in the secondary coil, the direct current in the primary coil is repeatedly Interrupted by a vibrating mechanical contact Called interrupter.
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