a) Increase the potential barrier b) Decrease the potential barrier c) Not affect the potential barrier d) Make the potential barrier zero Ans: (a)
a) True b) False Ans: (a)
a) A current-driven device b) A voltage-driven device c) A low input impedance d) An inefficient switching device e) A power driven device Ans: (b)
a) True b) False Ans: (b)
a) 10-14 A b) 10-4 A c) 10-10 A d) 10-12 A Ans: (a)
a) A few ohms to thousand ohms b) 10 to 100 MΩ c) 100 MΩ and above d) Milliohms to a few ohms Ans: (c)
a) Speed-up capacitor b) Transistor with higher cut-off frequency c) Clamping diode d) Clamping diode with zero storage time Ans: (d)
a) inductor b) resistor c) Field effect transistor d) Bipolar transistor e) (c) and (b) both f) Capacity Ans: (e)
a) Light emitting diode (LED) b) Liquid crystal display (LCD) c) Nixie tubes d) Fluorescent Ans: (b)
a) LEDs b) LCD c) Nixie tubes d) Fluorescent Ans: (b)
a) True b) False Ans: (a)
a) 4 V b) -12 V c) -4 V d) 2.2 V Ans: (d)
a) True b) False Ans: (b)
a) An input-voltage offset b) An input current offers c) Either (a) or (b) d) (a) and (b) both Ans: (c)
a) True b) False Ans: (b)
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