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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