The voltage across a conductor is increasing at a rate of 2 volts/min and the resistance is decreasing at a rate of 1 ohm/min. U
se I = E/R and the Chain Rule to find the rate at which the current passing through the conductor is changing when R = 20 ohms and E = 70 volts.
1 answer:
Answer:
3.5 amperes
Explanation:
I = E/R
I = ?
E = 70volts
R = 20 Ohms
Therefore , I = 70/20
= 3.5 amperes
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