1. An apparatus, comprising:
a plurality of electrically conductive coils (807, 921-925, 1117, 1119, 1217, 1219, 1317, 1319) of a computing device (101, 201, 300), the plurality of electrically conductive coils to transfer electromagnetic energy;
a sensor (1105, 1107, 1109) of the computing device to sense a physical configuration of the computing device;
a processor (603, 1103) of the computing device coupled with the sensor and the plurality of electrically conductive coils, the processor to select a coil from among the plurality of electrically conductive coils based on the physical configuration sensed by the sensor;
a switch to energize the selected coil; and
a switch controller (901, 1207) coupled to the switch and to the processor, to control the switch.
2. The apparatus of claim 1, the plurality of coils comprising an inductive charging interface.
3. The apparatus of claim 1, further comprising:
a communication interface between the processor to the plurality of electrically conductive coils,
the plurality of coils comprising an interface for near-field communications (NFC).
4. The apparatus of claim 2, the plurality of coils arranged under a touch-screen user interface.
5. The apparatus of claim 3, the plurality of coils arranged along two major surfaces of the computing device.

6. The apparatus of claim 1, the sensor to sense an operating state of the computing device.
7. The apparatus of claim 1, the sensor to sense a physical configuration of the computing device that is related to a change in operating state of the computing device.
8. The apparatus of claim 1, the sensor to sense a pattern of responses from the plurality of electrically conductive coils.
9. The apparatus of claim 1, further comprising an application program
monitor, to activate a predetermined coil upon detection of predetermined
application program activity.
10. A system to provide switchable coils in a computing device (101, 201,
300), comprising:
a processor (603, 1103) of the computing device and coupled to a memory;
a plurality of electrically conductive coils (807, 921-925, 1117, 1119, 1217, 1219, 1317, 1319) of the computing device, the plurality of electrically conductive coils to transfer electromagnetic energy;
a sensor (1105, 1107, 1109) of the computing device to sense a physical configuration of the computing device, and the processor to select a coil from among the plurality of electrically conductive coils based on the physical configuration sensed by the sensor;
a switch to energize the selected coil; and
a switch controller (901, 1207) coupled to the switch and to the processor to control the switch.
11. The system of claim 10, the plurality of coils comprising an inductive
charging interface.

12. The system of claim 10, further comprising:
a communication interface between the processor to the plurality of electrically conductive coils,
the plurality of coils comprising an interface for near-field communications (NFC).
13. The system of claim 11, the plurality of coils arranged under a touch-screen user interface.
14. The system of claim 12, the plurality of coils arranged along two major surfaces of the computing device.
15. The system of claim 10, the sensor to sense an operating state of the computing device.
16. The system of claim 10, the sensor to sense a physical configuration of the computing device that is related to a change in operating state of the computing device.
17. The system of claim 10, the sensor to sense a pattern of responses from the plurality of electrically conductive coils.

18. The system of claim 10, further comprising an application program monitor, to activate a predetermined coil upon detection of predetermined application program activity.
19. A computer-readable storage medium comprising instructions that, when executed, cause a controller of a computing device (101, 201, 300) to:
cause a plurality of electrically conductive coils (807, 921-925, 1117, 1119, 1217, 1219, 1317, 1319) to transfer electromagnetic energy;

receive data from a sensor (1105, 1107, 1109) coupled to the controller the data to indicate a physical configuration of the computing device;
select a coil from among the plurality of electrically conductive coils based on the data indicating a physical configuration of the computing device;
control a switch to energize the selected coil; and
communicate with a switch controller (901, 1207) coupled to the switch.
20. The computer-readable storage medium of claim 19, the plurality of
coils comprising an inductive charging interface.
21. The computer-readable storage medium of claim 19, further
comprising instructions that, when executed, cause the controller to:
communicate on a communication interface between the controller to the plurality of electrically conductive coils,
the plurality of coils comprising an interface for near-field communications (NFC).
22. The computer-readable storage medium of claim 20, the plurality of coils arranged under a touch-screen user interface.
23. The computer-readable storage medium of claim 21, the plurality of coils arranged along at least two major surfaces of the computing device.
24. The computer-readable storage medium of claim 19, the sensor to sense the physical configuration of the computing device.
25. The computer-readable storage medium of claim 19, the sensor to sense an operating state of the computing device.

26. The computer-readable storage medium of claim 19, the sensor to sense a physical configuration of the computing device that is related to a change in operating state of the computing device.
27. The computer-readable storage medium of claim 19, the sensor to sense a pattern of responses from the plurality of electrically conductive coils.
28. The computer-readable storage medium of claim 19, further
comprising an application program monitor, to activate a predetermined coil upon
detection of predetermined application program activity.