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The following statements are made for FETs 1. In n -channel depletion mode MOS in the active region, the control voltage VGS is negative. 2. NMOS in depletion mode is cut off for VGS=O 3. NMOS in enhance mode is cut off for VGS=O 4. There is no path between source and drain in the enhancement mode

Of these, the true statements are : a. 1 and 2 only b. 1 and 3 only c. 3 and 4 only d. 1, 3 and 4 only

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