# physics prob.

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Neon signs require about 12000V for their operation. The primary operates from 120-V lines.

a)What is the ratio of the number of loops in the secondary to the number of loops in the primary?

b) What is the ratio of the power delivered to the secondary coil to the power supplied by the primary coil?

• physics prob. -

I will be happy to critique your thinking.

• physics prob. -

a) 100:1
b) 1:100

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