To turn on an SCS device, a ________ pulse must be applied to the anode gate terminal; to turn off the device, a ________ pulse is required.

To turn on an SCS device, a ________ pulse must be applied to the anod

1.	To turn on an SCS device, a ________ pulse must be applied to the anode gate terminal; to turn off the device, a ________ pulse is required.
A.	positive, positive
B.	negative, positive
C.	positive, negative
D.	negative, negative
Answer» C. positive, negative