4. a 505-turn circular-loop coil with a diameter of 15.5 cm is initially aligned so that
its plane is perpendicular to earth's magnetic field. in 2.77 ms the coil is rotated
90.0° so that its plane is parallel to earth's magnetic field. if an average emf of
0.166 vis induced in the coil, what is the value of earth's magnetic field?

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal