a rod of semiconducting meterial of length L = 2 m and cross-sectioanal area A=5mm2 lies along the x axis between x=0 and x=L. the meterial obeys Ohm's law, and its resistivity varies along the rod according to   p=p0 (1-(x2/L2)) where p0=4,5 * 10-4 ohm*m. the end of the rod at x=0 is at a potential V0= 30 V greater than the end at x = L.   a)what is the total resistance, in units of ohm, of the rod ? b)what is the current, in units of miliamperes in the rod? c)what is the electric potential, in units of Volt in the rod at x=L/2 ? d)what is the electric field magnitude E, in units of V/m, in the rod at x=L/2 ?

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a rod of semiconducting meterial of length L = 2 m and cross-sectioanal area A=5mm2 lies along the x axis between x=0 and x=L. the meterial obeys Ohm's law, and its resistivity varies along the rod according to   p=p0 (1-(x2/L2)) where p0=4,5 * 10-4 ohm*m. the end of the rod at x=0 is at a potential V0= 30 V greater than the end at x = L.

 

a)what is the total resistance, in units of ohm, of the rod ?

b)what is the current, in units of miliamperes in the rod?

c)what is the electric potential, in units of Volt in the rod at x=L/2 ?

d)what is the electric field magnitude E, in units of V/m, in the rod at x=L/2 ?

A rod of semiconducting material of length L=2 m and cross-sectional area A = 5 mm² lies along the x-axis betweenI=0 and z = L. The material obeys Ohm's law,
1-
where po= 4, 5 x 10 2 mn. The end of the rod at z = 0 is at a potential Vo = 30 V greater than
and its resistivity varies along the rod according to p= Po
the end at z=L.
A) What is the total resistance, in units of 2, of the rod?
Yanıt:
B) What is the current, in units of miliamperes, in the rod?
Yanıt:
C) What is the electric potential, in units of Volt in the rod at a L/2?
Yanıt:
D) What is the electric-field magnitude E in units of V/mn the rod at r= L/2?
Bu sınav 30 Nisan 2021. Cuma. 12:00 tarihinde basladi
neral
Transcribed Image Text:A rod of semiconducting material of length L=2 m and cross-sectional area A = 5 mm² lies along the x-axis betweenI=0 and z = L. The material obeys Ohm's law, 1- where po= 4, 5 x 10 2 mn. The end of the rod at z = 0 is at a potential Vo = 30 V greater than and its resistivity varies along the rod according to p= Po the end at z=L. A) What is the total resistance, in units of 2, of the rod? Yanıt: B) What is the current, in units of miliamperes, in the rod? Yanıt: C) What is the electric potential, in units of Volt in the rod at a L/2? Yanıt: D) What is the electric-field magnitude E in units of V/mn the rod at r= L/2? Bu sınav 30 Nisan 2021. Cuma. 12:00 tarihinde basladi neral
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