Basic Electronics Multiple Choice Questions
1. When we use single transistor we obtain which gate?
a) NOR gate
b) OR gate
c) NOT gate
d) NAND gate
2. The circuit which implements OR operation is called as …
a) AND gate
b) NOT gate
c) NOR gate
d) OR gate
3. When we increase the number of turns of wire on the secondary coil of a transformer then …
a) no effect
b) a decrease in the secondary current
c) increase in the secondary current
d) increase in the primary current
4. The deviation in the resistance of a resistor is known as
a) tolerance
b) capacitance
c) inductance
d) none of the above
5. In C.R.O, we connect grid to which potential?
a) negative potential
b) positive potential
c) both
d) none of these
6. A bipolar transistor is ….
a) free electrons and holes are current carriers
b) free electrons are current carriers
c) holes are current carriers
d) all of these
7. Which one is correct about potential barrier?
a) amount of energy required to produce half conduction across PN junction in reverse bias
b) amount of energy required to produce full conduction across PN junction in reverse bias
c) amount of energy required to produce full conduction across PN junction in forward bias
d) none of these
8. An electronic component used to store electric charge is …
a) inductor
b) resistor
c) capacitor
d) none of these
9. When will a transistor behaves as a linear device …
a) large signals input
b) small signals input
c) medium signals input
d) all of these
10. What is function of linear series voltage converter?
a) resistance voltage converter
b) shunt voltage converter
c) overflow voltage converter
d) all of these
11. Rectifier is a device used to …
a) convert DC to AC
b) convert AC to DC
c) both
d) none of the above
12. OP -Amp is the abbrevation of
a) opposite amplifier
b) ohm amplifier
c) operational amplifier
d) all of these
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