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
Answer:
They typically "want" 2, so the answer is C.
Explanation:
Answer:
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Electro magnetic waves are the waves which are produced with vibration of the particles which are charged.
<u>Explanation:</u>
Electromagnetic waves are created by the vibration of charged particles. A mechanical wave is a wave that isn't equipped for transmitting its vitality through a vacuum.
Mechanical waves require a medium so as to ship their vitality starting with one area then onto the next. A sound wave is a case of a mechanical wave. Electromagnetic waves are waves that have no medium to travel whereas mechanical waves need a medium for its transmission. Electromagnetic waves travel in a vacuum