The hot resistance of a tungsten lame is about 12 times its cold resis – McqOptions

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1.	The hot resistance of a tungsten lame is about 12 times its cold resistance. Accordingly, the cold resistance of a 60 &ohm;, 120 V lamp is about __________ ohm.
A.	5
B.	240
C.	2
D.	2880
Answer» D. 2880

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