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Alexeev081 [22]
3 years ago
12

Wire A carries 4 A into a junction, wire B carries 5 A into the same junction, and another wire is connected to the junction. Wh

at is the current in this last wire?
Physics
1 answer:
nydimaria [60]3 years ago
7 0

Answer:9A

Explanation:

let the last wire be wire C

According to Kirchhoff's rule

the sum of all currents entering a junction must be equal to the sum of all currents leaving a junction

Ic=Ia+Ib

Ic= 4+5

Ic=9A

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4 0
3 years ago
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What is the direction of the force on a positive charge when passing through a magnetic field as indicated in this diagram? Expl
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The direction in which the magnetic force is acting on the charge is upwards.

<h3>What is Magnetic force?</h3>

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Read more about Magnetic force here brainly.com/question/25932320

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