An iron wire has a diameter 1.6 mm and resistivity 9.71x 10-8 m. What will be the length of this wire to make a resistance of 800. What will be the new resistance, if the radius is doubled? (a) Length of the wire (in m) = (b) Resistance of the wire (in ) =
An iron wire has a diameter 1.6 mm and resistivity 9.71x 10-8 m. What will be the length of this wire to make a resistance of 800. What will be the new resistance, if the radius is doubled? (a) Length of the wire (in m) = (b) Resistance of the wire (in ) =
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![An iron wire has a diameter 1.6 mm and resistivity
9.71x 10-8 m. What will be the length of this wire
to make a resistance of 800. What will be the new
resistance, if the radius is doubled?
(a) Length of the wire (in m) =
=
(b) Resistance of the wire (in ) =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F40ad5b4b-f885-41df-bcf1-795183422d7d%2F40f5772b-ea04-444b-b7d6-ae4c37d23453%2Fnxd9eu8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An iron wire has a diameter 1.6 mm and resistivity
9.71x 10-8 m. What will be the length of this wire
to make a resistance of 800. What will be the new
resistance, if the radius is doubled?
(a) Length of the wire (in m) =
=
(b) Resistance of the wire (in ) =
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