choose the correct option 1. If the output of a transistor amplifier is 5 V rms and the input is 100 mV rms, the voltage gain is a) 5 b) 50 c) 500 d) 5000 2. Multimeter can also be used to check...

choose the correct option

1. If the output of a transistor amplifier is 5 V rms and the input is 100 mV rms, the voltage gain is

a) 5

b) 50

c) 500

d) 5000

2. Multimeter can also be used to check whether a circuit is short or open

a) True

b) False

3. Ohm's law is not applicable to

a) DC circuits

b) high currents

c) small resistors

d) semi-conductors

4. In a series circuit with unequal resistances:

a) the highest resistance has the most of the current through it

b) the lowest resistance has the highest voltage drop

c) the lowest resistance has the highest current

d) the highest resistance has the highest voltage drop

5) A simple multimeter can be used to test the functional NPN or PNP transistor by checking the conductance of two junctions

a) True

b) False

6. Zener diode is a

a) Voltage regulator

b) Current regulator

c) Power regulator

d) None of the above

7. A PNP transistor can be modeled by

a) Two diodes connected back to back

b) Two diodes connected in series

c) Two diodes connected parallel in opposite direction

d) Diodes can not model a transistor

8. The V-I curve for a diode shows

a) the voltage across the diode for a given current

b) the amount of current for a given bias voltage

c) the power dissipation

d) none of these

Jun 10, 2022

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