"A flat, 10-turn, circular coil of radius Ro 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 throughout the time interval labeled ___.
A
B
C
D
E
F
"A flat, 10-turn, circular coil of radius Ro 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 zero throughout the time interval labeled ___.
A
B
C
D
E
F
"A flat, 10-turn, circular coil of radius Ro 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."
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 ___.
A
B
C
D
E
F
"A flat, 10-turn, circular coil of radius Ro 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 polarity of the induced emf in the coil ___ change during time interval B.
did
did not
"A flat, 10-turn, circular coil of radius Ro 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 polarity of the induced emf in the coil ___ change during time interval C.
did
did not
"The magnetic flux directed perpendicular to the plane of a flat, circular coil with radius Ro and no 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 ___.
A
B
C
D
E
F
"The magnetic flux directed perpendicular to the plane of a flat, circular coil with radius Ro and no turns varies with time as in the figure at the right."
The average emf induced in the coil is greatest for the time interval labeled ___.
A
B
C
D
E
F
"The magnetic flux directed perpendicular to the plane of a flat, circular coil with radius Ro and no turns varies with time as in the figure at the right."
The maximum value of the magnitude of the instantaneous emf induced in the coil occurred during the time interval labeled ___.
A
B
C
D
E
F
"The magnetic flux directed perpendicular to the plane of a flat, circular coil with radius Ro and no turns varies with time as in the figure at the right."
The polarity of the induced emf in the coil changed ___ times throughout the entire time interval represented by the graph.
0
1
2
3
4
some other value
"The magnetic flux directed perpendicular to the plane of a flat, circular coil with radius Ro and no turns varies with time as in the figure at the right."
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.
equal to
less than
more than
incomparable, without additional information, with
For an ideal step-up transformer, the voltage across the secondary winding is ___ the voltage across the primary winding.
less than
equal to
more than
incomparable with
For an ideal step-up transformer, the number of turns in the secondary winding is ___ than the number of turns in the primary winding.
more than
less than
equal to
incomparable with
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.
more than
less than
equal to
incomparable with
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.
less than
equal to
more than
incomparable with