What is the current through a wire if 240 coulombs of charge pass through the wire in 2.0 minutes?
2 answers:
Answer : Current flowing, I = 2 Ampere
Explanation :
It is given that,
Charge passing through a wire, q = 240 coulombs
Time taken to pass the charge, t = 2 minutes = 120 seconds
Electric current is defined as the ratio of the electric charge divided by time taken to pass the charge.
Mathematically, it can be written as :
Putting the value of q and t we get:
I = 2 Ampere
So, the current passing through the wire is 2 Amps.
Hence, this is the required solution.
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Answer:
a. 2143 turns/m
b. 111.5 m
Explanation:
a. The minimum number of turns per unit length (N/L) can be found using the following equation:
Hence, the minimum number of turns per unit length is 2143 turns/m.
b. The total length of wire is the following:
Since each turn has length 2πr of wire, the total length is:
Therefore, the total length of wire required is 111.5 m.
I hope it helps you!