The resistance of a certain wire is 10 ohms.
a. What would the resistance of the same wire be if it were twice as long?
b. If it had twice the diameter?
(a)
To find: The resistance of wire with twice length.
Explanation of Solution
Resistance of wire,
If length is twice, the resistance of wire,
Resistance of wire become
(b)
To find: The resistance of wire with twice diameter.
Explanation of Solution
Resistance of wire,
If length is twice, the resistance of wire,
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