1
JEE Main 2020 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Two identical capacitors A and B, charged to the same potential 5V are connected in two different circuits as shown below at time t = 0. If the charge on capacitors A and B at time t = CR is QA and QB respectively, then (Here e is the base of natural logarithm) JEE Main 2020 (Online) 9th January Evening Slot Physics - Semiconductor Question 120 English
A
QA = $${{CV} \over e}$$, QB = $${{VC} \over 2}$$
B
QA = $${{CV} \over 2}$$, QB = $${{VC} \over e}$$
C
QA = VC, QB = $${{VC} \over e}$$
D
QA = VC, QB = CV
2
JEE Main 2020 (Online) 8th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
In the given circuit, value of Y is : JEE Main 2020 (Online) 8th January Evening Slot Physics - Semiconductor Question 123 English
A
toggles between 0 and 1
B
1
C
will not execute
D
0
3
JEE Main 2020 (Online) 8th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Boolean relation at the output stage-Y for the following circuit is : JEE Main 2020 (Online) 8th January Morning Slot Physics - Semiconductor Question 124 English
A
A.B
B
$$\overline A + \overline B $$
C
$$\overline A .\overline B $$
D
A + B
4
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
In the figure, potential difference between A and B is : JEE Main 2020 (Online) 7th January Evening Slot Physics - Semiconductor Question 125 English
A
10 V
B
5 V
C
zero
D
15 V
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