Question: 2 2 . A 6 0 W high intensity bulb in a desk lamp has resistance of 8 . 0 when the lamp is on

22 .

60

W high intensity bulb in a desk lamp has resistance of

8.0

when the lamp is on

.

The lamp's power comes from a transformer with the

q,

primary connected to a

120

V circuit. What is the ratio of the number of turns on the primary winding to the number of turns on the secondary winding? What is the minimum current through the primary when the lamp is on

?

2 2 . A 6 0 W high intensity bulb in a desk lamp

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