The following information pertains to questions 1-5.

A flat 10 turn circular coil of radius R_o is positioned in space so that the normal to the plane of the coil is parallel to the magnetic field in the space. The magnetic field is uniform in the space occupied by the coil and changes with time as depicted in the figure at the right.

The emf induced in the coil was constant and nonzero through out the time interval labeled ___.

The emf induced in the coil was constant and zero through out the time interval labeled ___.

Comparing the magnitude of the average emf induced in the coil for each of the five time intervals, the magnitude of the average emf induced in the coil was greatest for the time interval labeled ___.

The polarity of the induced emf in the coil ___ change during time interval B.

The polarity of the induced emf in the coil ___ change during time interval C.

The following information pertains to questions 6-10.

The magnetic flux directed perpendicular to the plane of a flat circular coil with radius R_o and n_o turns varies with time as in the figure at the right.

The instantaneous emf induced in the coil is constant and zero throughout the time interval labeled ___.

The average emf induced in the coil is greatest for the time interval labeled ___.

The maximum value of the magnitude of the instantaneous emf induced in the coil occurred during the time interval labeled ___.

The polarity of the induced emf in the coil changed ___ times throughout the entire time interval represented by the graph.

The magnitude of the average emf induced in the coil during time interval A is ___ the magnitude of the average emf induced in the coil during time interval C.

For an ideal, step up transformer, the voltage across the secondary winding is ___ the voltage across the primary winding.

For an ideal, step up transformer, the number of turns in the secondary winding is ___ than the number of turns in the primary winding.

For an ideal, step up transformer connected to a small load, the power delivered to the load is ___ the power delivered to the primary of the transformer.

For an ideal, step down transformer connected to a small load, the current flowing in the secondary winding is ___ the current flowing in the primary winding.