16-01-2014, 04:37 PM
JNTU ONLINE EXAMINATIONS [Mid 2 - EEE]
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1. _ _ _ _ _ _ _ _ _ converts weak signal into strong signal. :->amplifier
2. _ _ _ _ _ _ _ can be converted into an instrument to measure voltage, current and resistance for both AC
and DC applications :->Moving Magnetic coil
3. _ _ _ _ _ _ _ converts sinusoidal signal to unidirectional flow and not pure D.C :->Rectifier
4. _ _ _ _ _ _ is a circuit which offers low resistance to the current in one direction and high resistance in
the opposite direction. :->Rectifier
5. _ _ _ _ _ _ is the disadvantage of Half Wave Rectifier. :->High Ripple Factor
6. A hole is the vacancy created when: :- >An electron breaks its covalent band
7. A N-type semiconductor impur ities are: :->tetravalent
8. A P-N junction diode s dynamic conductance is directly proportional to :->the current 9. A PNPN diode:
:->is always made of silicon
10. A p-type semiconductor impurities are :->pentavalent
11. A p-type semiconductor is having _ _ _ _ _ _ _ impur ities: :->boron
12. A p-type semiconductor is having _ _ _ _ _ _ _ impur ities: :->boron
13. A transistor has _ _ _ _ _ _ _ _ PN junctions. :->two
14. A weak signal applied in the input circuit of transistor appears in the amplified form in the _ _ _ _ _ _ _
_ circuit. :->Collector
15. Accumulation of electr on at fluorescent screen causes :->Will repel the electron beam.
16. Accuracy of a Digital Instruments is _ _ _ _ _ _ _ _ _ _ _ :->Difference between actual value and
measured value
17. After firing an SCR, if the gate pulse is removed , the SCR current: :->remain the same
18. Ammeter is used to measure _ _ _ _ _ _ _ _ _ :->Current only
19. An n-type semiconductor is having _ _ _ _ _ _ _ _ impurities: :->silicon
20. An n-type semiconductor is having _ _ _ _ _ _ _ impurities: :->silicon
21. An SCR is a _ _ _ _ _ _ _ _ switch. :->unidirectional
22. Any voltage that is connected across a P-N junction is called _ _ _ _ _ _ _ _ voltage. :->Bias