Which statement(s) is/are true?
A. The drain current in an enhancement-type MOSFET is inversely proportional to the relative permittivity of the gate oxide.
B. The threshold voltage in an MOS capacitor does not depend on the gate oxide thickness.
C. The drain current in an enhancement-type MOSFET is directly proportional to the relative permittivity of the gate oxide.
D. The threshold voltage in an MOS capacitor depends on the gate oxide thickness.
Choose the correct answer from the options given below.