One hundred meters of 2.00 mm diameter wire has a resistance of 0.532 Q. What is the resistivity of the material from which the wire is made? 2.65 x 10-8 2-m 1.59 x 10-8 2-m 1.67 x 10-8 Q-m 5.40 x 10-8 :m 2.35 x 10 Q-m
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- = 8. Find the current in the R₁ resistor in the drawing (V₂ = 16.0 V, V3 S). ssfox's f60 A 0 ss160 ssf60 ss160 ss160 W 500 f60 ssf60 ssf60 ssf60 ssf60 ssin ssf60 ssfoo www R3 ww R₂ V3 ssf60 st sf60 1.702, R₂ 2.00 , and R3 18.0 V, R₁ = *J$$:09J$$ (9J$/ 091797 = 2.20 ssf60 ssf60 ssf60 0 ssf60 ssf60 ssf60 ssf60 ssf60A wire is 1.2 m long and 1.2 mm² in cross-sectional area. It carries a current of 5.6 A when a 3.0 V potential difference is applied between its ends. Calculate the conductivity of the material of which this wire is made. Number i 1 Units (Q.m)^-1A dart gun contains a spring of spring constant k = 16 N/m which is used to shoot a dart of mass m. The dart leaves the gun at a speed of v = 3.1 m/s after the spring is compressed 1 cm. what is the darts speed when it hits the floor (vf in m/s) if it is fired horizontally at a height of h = 2 m what angle in degree does the darts final velocity make with the horizontal?
- kenney works at an iron manufacturing plant. he make a piece of iron that has a resistivity of: 1.0 x 10-7-m this iron piece is in the shape of a truncated cone. help kenney calculate the resistance between the two circular ends of the cone. 2.00 cm 20.0 cm 4.00 cmIf 3.0 x 10-5 electrons flow through a section of a wire of diameter 2.0 mm in 2.0 s, what is the current in the wire? O 7.5 x 107 A 0.12 mA O 0.24 mA O 7.5 x 1014 A hoA cylindrical cable with 2.10 x 10-8 m resistivity carries a current of 1200 A. There is a potential difference of 1.6 x 10-2 v between two points on the cable that are 0.20 m apart. What is the radius of the cable?
- The charge passing through a section of wire is given by Q=t5 + 4t³ - 6t + 1. What is the current through the wire? Ot+¹-31²+t O 5t4 + 12t2 - 5 Oto +14-3² +1 O 5t4 + 12t26 O 5t4 + 12t² - 3t² + tWhat is the resistance of a resistor if 10V is needed to produce a current of 2A? O 200 O 50 O 100 O 2.5 Ω What is the approximate value of this resistor? Second digit Multiplier First digit Table 25.3 Color Codes for Resistors Value as Color Digit Black Brown 1 Red 2 Orange 3 Yellow Green 5 Blue Violet Gray White O Tolerance Value as Multiplier 1 10 102 10³ 25 ΚΩ 56 ΚΩ 104 105 106 108 109 O O Ο 36 ΚΩ 360 ΚΩ