Kaksi pystysuoraa ja yhdensuuntaista virtajohdinta on 15.6 cm:n etäisyydellä toisistaan. Johtimissa kulkee 5.0 ja -9.4 ampeerin tasavirrat. Tässä positiivinen virran arvo tarkoittaa ylöspäin kulkevaa ja negatiivinen alaspäin kulkevaa tasavirtaa. Määritä johdinten välillä vaikuttavan voiman suuruus yhtä pituusmetriä kohden. Ilmaise tulos kokonaisina mikronewtoneina (siis ilman desimaaliosaa). Anna tulos positiivisena lukuna, jos kyseessä on vetovoima, ja negatiivisena lukuna, jos kyseessä on hylkimisvoima. Two parallel electric wire are in the vertical position. The distance between the wires is 15.6 cm. In the wires there is 5.0 and -9.4 A direct currents. In this case the positive sign means that the direction of the current is upward and negative sign means that the current is downward. Define the value of the force acting between two wires for one meter long part of wires. Give the answer in μN with no decimals with + sign if the wires pulling each other and with - sign if the force is pushing away each other.数值题

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