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aman tiwari

· started a discussion

· 1 Months ago

Dimag ka dahi kar diya (Question:337522.0)

Its about our career....dont joke

Question:

A 120 V, 60 W incandescent lamp has to be operated from 220 V, 50 c/s, 1 phase A.C. supply. In order to do this, a circuit element has to be connected in series with the lamp. Which one of the following series element is preferable?

Options:
A)

Pure capacitance

B)

Pure inductance or capacitance

C)

Resistance

D)

Pure inductance

Solution:

Ans:(a)

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