Author Question: An emf of 0.26 V is induced in a 0.40-H inductor. What is the rate of change of current through the ... (Read 70 times)

james9437 · **on:** Jul 28, 2018

An emf of 0.26 V is induced in a 0.40-H inductor. What is the rate of change of current through the inductor?
a. 0.80 A/s
c. 0.13 A/s
b. 1.3 A/s
d. 0.65 A/s

Question 2

Doubling the mass per unit length of a guitar string will result in changing the wave speed in the string by what factor?
a. 1.41
c. 0.71
b. 1.00 (i.e., no change)
d. 2.00