How many dots must be added to the symbol to properly represent a standard nitrogen ion? A) 1 B) 3 C) 5 D) 8
1 answer:
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Answer:
The value is
Explanation:
From the question we are told that
The length of the solenoid is
The magnetic field is
The current is
The desired temperature is
Generally the magnetic field is mathematically represented as
=>
Here is the permeability of free space with value
So
=>
Answer:
I= 3.5 amps
Explanation:
Step one:
given data
rating of resistor R= 8 ohms
power P= 100W
Required
The current I
Step two
Yet this power is also given by
make I subject of the formula we have
substitute