In which of the following conditions the current of an NMOS is absolut

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In which of the following conditions the current of an NMOS is absolutely zero? (a) VDS = 1.8 V, VGS = 0.3 V. (b) VDS = 0, VGS = 1.8 V. (c) VDS = 0.1 V, VGS = 0. (d) VDS = 0.5 V, VGS = 0.1 V. (e) VDS = 1.8 V, VGS = 1.8 V. Under which condition Ioff flows in an NMOS? (a) VDS = 0, VGS = 0. (b) VGS = 0.4 V, VDS = 0.4 V. (c) VS = 0.5 V, VD = 1.8 V, VG = 0.5 V (d) VGS = 0 V, VDS = 1.8 V. (e) VD = 1.1 V, VS = 1 V, VG = 1 V.

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In which of the following conditions the current of an NMOS is absolutely zero? (a) $V_{D S} = 1.8 V, V_{G S} = 0.3 V$ . (b) $V_{D S} = 0, V_{G S} = 1.8 V$ . (c) $V_{D S} = 0.1 V, V_{G S} = 0$ . (d) $V_{D S} = 0.5 V, V_{G S} = 0.1 V$ . (e) $V_{D S} = 1.8 V, V_{G S} = 1.8 V$ .
Under which condition $I_{o f f}$ flows in an NMOS? (a) $V_{D S} = 0, V_{G S} = 0$ . (b) $V_{G S} = 0.4 V, V_{D S} = 0.4 V$ . (c) $V_{S} = 0.5 V, V_{D} = 1.8 V$ , $V_{G} = 0.5 V$ (d) $V_{G S} = 0 V, V_{D S} = 1.8 V$ . (e) $V_{D} = 1.1 V, V_{S} = 1 V, V_{G} = 1 V$ .