Ask a New Question

Question

What length of German silver wire, diameter 0.050 cm, is needed to make a 28 Ωresistor, if the resistivity of German silver is 2.2 × 〖10〗^(-7) Ω m
(show work)
8 years ago

Answers

Rohit
Given :
Resistance R = 28Ω
A is the cross-section area and, ρ is resistivity of the wire.
To find length l
A=π(0.00025)
2
㎡=625π×10 −10
28=2.2×10 −7
So, l=28×625π×10
−3
/2.2=24.98=25m
5 years ago

Related Questions

What is this in german? My english teacher has long brown hair and brown eyes. She is very tall a... German silver wire has a cross-sectional area of 2.047 x 10^-3 cm^2. How many meters are needed to m... German silver wire has a cross-sectional area of 2.047 x 10^-3 cm^2. How many meters are needed to m... German Silver is an alloy composed of nickel, zinc, and copper in a ratio of 3:4:13. How many kilog... Which of the following German phrases means, "Pleased to meet you"? (2 points) Responses Es g... How do you say in German: “It is sunny”? (2 points) Responses Es ist sonnig. Es ist sonnig.... Air in German German silver is an alloy composed of nickel, zinc, and copper in a 3:4:13 ratio. How many kilograms... What was the name of the German air force during World War II? Multiple choice question. Blitz... What was the name of the German military Strategy that emphasized speed and overwhelming force?(1 po...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use