When the starter motor on a car is engaged, there is a 300 A cunent in the wires between the bauery and the motor. Suppose the wires are made of copper and have a total length of 1.0 m. What minimum diameter can the wires have if the voltage drop along the wires is to be less than 0.50 V? Problems

diameter of transmission is 3.473 mm

Explanation:

given data

current = 300 A

total wire length = 1.0 m

voltage drop = 0.55 V

solution

as here Resistivity of copper is = 1.68 × ohm- m

so we get here resistance of wire that is

resistance =    ..............1

R =  

R = 1.774 ×  ohm

and now we get diameter of wire that is

R =    .............2

d² =     ...............3

put here value

d² =  

d =

d = 3.473 × m

d = 3.473 mm

so diameter of transmission is 3.473 mm

a) are muscles that have bands.

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explanation:

earth's surface is mainly heated by the absorption of infrared radiation from the sun.

evaporation occurs because molecules in liquid water are warmed ( usually by the sun) and vibrate quicker, becoming less dense and rise.

condensation occurs because molecules in water vapor are cooled and therefore vibrate more slowly thus becoming more dense and eventually fall to earth.

lines of equal barometric pressure on a weather map are called: isobars : lines of equal temp on a weather map are called: isotherms.​