Author Question: A square coil, enclosing an area with sides 3.0 cm long, is wrapped with 2500 turns of wire. A ... (Read 76 times)

MGLQZ · **on:** Jul 28, 2018

A square coil, enclosing an area with sides 3.0 cm long, is wrapped with 2500 turns of wire. A uniform magnetic field perpendicular to its plane is turned on and increases to 0.12 T during an interval of 1.0 s. What average voltage is induced in the coil?
a. 2.5 V
c. 1.2 V
b. 0.27 V
d. 0.12 V

Question 2

Consider two steel rods, A and B. B has three times the area and twice the length of A, so Young's modulus for B will be what factor times Young's modulus for A?
a. 3.0
c. 1.5
b. 0.5
d. 1.0