1. What is a semiconductor diode called-
Rectifier
Transistor
Amplifier
FET
2. What is the correct sequence of electronegativity?
F>NH2>CH3>OH \mathrm{F}>\mathrm{NH}_{2}>\mathrm{CH}_{3}>\mathrm{OH} F>NH2>CH3>OH
NH2>F>CH3>OH \mathrm{NH}_{2}>\mathrm{F}>\mathrm{CH}_{3}>\mathrm{OH} NH2>F>CH3>OH
F>OH>NH2>CH3 \mathrm{F}>\mathrm{OH}>\mathrm{NH}_{2}>\mathrm{CH}_{3} F>OH>NH2>CH3
NH2>OH>CH3>F \mathrm{NH}_{2}>\mathrm{OH}>\mathrm{CH}_{3}>\mathrm{F} NH2>OH>CH3>F
3. Every citizen ought to abide by the rules of the country___.
oughtn't he?
oughtn't they?
oughtn't every?
4. Which one is not spelled correctly?
late-corner
handwriting
classroom
post office
5. If logx(32)=−12 \log _{x}\left(\frac{3}{2}\right)=-\frac{1}{2} logx(23)=−21 then what is the value of x x x ?
49 \frac{4}{9} 94
23 \sqrt{\frac{2}{3}} 32
32 \sqrt{\frac{3}{2}} 23
94 \frac{9}{4} 49