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JEE Main Class XII Weekly Mock 17
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Question 1
The major product obtained in the following reaction is:
Question 2
In the given reaction:
CH3-CH2-COOH + (i)AgNO3 + (ii) Br2/∆ Ã [X]
[X] will be:
CH3-CH2-COOH + (i)AgNO3 + (ii) Br2/∆ Ã [X]
[X] will be:
Question 3
Which one of the following is an acyl group:
Question 4
The given reaction is:
Question 5
Identify X in the reaction 
Intermediate 
X
Intermediate X Question 6
A semiconductor has electron and hole mobility as 
= 4500 cm2/V-s, 
= 200 cm2 / V s, ni =18 x 1012 /cm3. When conductivity is minimum, the hole concentration is
= 4500 cm2/V-s, = 200 cm2 / V s, ni =18 x 1012 /cm3. When conductivity is minimum, the hole concentration is Question 7
Degenerate semiconductors satisfy which of the following conditions
Question 8
If in an amplifier circuit, collector current is changed by 30mA and base current is changed by 0.2mA. To change the collector current by thrice this amount, what should be the change in emitter current?
Question 9
In the given amplifier, find the emitter voltage.
Question 10
In this amplifier, find the voltage gain of the amplifier.
Question 11
The function 
defined as 
is
defined as isQuestion 12
The normal to the curve y(x−2)(x−3)=x+6 at the point where the curve intersects the y-axis passes through the point:
Question 13
The value of a for which f(x) = ax – sin x is strictly increasing
Question 14
What is the range of value of x in the inequality 
?
? Question 15
The greatest integer satisfying the equation 
<0 is given by ______.
<0 is given by ______. - 475 attempts
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Jun 26JEE & BITSAT
