Why is the operating frequency for CMOS devices critical for determining power dissipation?

[A].	At low frequencies, power dissipation increases.
[B].	At high frequencies, the gate will only be able to deliver 70.7 % of rated power.
[C].	At high frequencies, charging and discharging the gate capacitance will draw a heavy current from the power supply and thus increase power dissipation.
[D].	At high frequencies, the gate will only be able to deliver 70.7 % of rated power and charging and discharging the gate capacitance will draw a heavy current from the power supply and thus increase power dissipation.

Answer: Option C

Explanation:

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