1
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Statement - I :

To get a steady dc output from the pulsating voltage received from a full wave rectifier we can connect a capacitor across the output parallel to the load RL.

Statement - II :

To get a steady dc output from the pulsating voltage received from a full wave rectifier we can connect an inductor in series with RL.

In the light of the above statements, choose the most appropriate answer from the options given below :
A
Statement I is true but Statement II is false
B
Statement I is false but Statement II is true
C
Both Statement I and Statement II are false
D
Both Statement I and Statement II are true
2
JEE Main 2021 (Online) 31st August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
In the following logic circuit the sequence of the inputs A, B are (0, 0), (0, 1), (1, 0) and (1, 1). The output Y for this sequence will be :

JEE Main 2021 (Online) 31st August Morning Shift Physics - Semiconductor Question 74 English
A
1, 0, 1, 0
B
0, 1, 0, 1
C
1, 1, 1, 0
D
0, 0, 1, 1
3
JEE Main 2021 (Online) 31st August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Choose the correct waveform that can represent the voltage across R of the following circuit, assuming the diode is ideal one :

JEE Main 2021 (Online) 31st August Morning Shift Physics - Semiconductor Question 73 English
A
JEE Main 2021 (Online) 31st August Morning Shift Physics - Semiconductor Question 73 English Option 1
B
JEE Main 2021 (Online) 31st August Morning Shift Physics - Semiconductor Question 73 English Option 2
C
JEE Main 2021 (Online) 31st August Morning Shift Physics - Semiconductor Question 73 English Option 3
D
JEE Main 2021 (Online) 31st August Morning Shift Physics - Semiconductor Question 73 English Option 4
4
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
For a transistor $$\alpha$$ and $$\beta$$ are given as $$\alpha = {{{I_C}} \over {{I_E}}}$$ and $$\beta = {{{I_C}} \over {{I_B}}}$$. Then the correct relation between $$\alpha$$ and $$\beta$$ will be :
A
$$\alpha = {{1 - \beta } \over \beta }$$
B
$$\beta = {\alpha \over {1 - \alpha }}$$
C
$$\alpha \beta = 1$$
D
$$\alpha = {\beta \over {1 - \beta }}$$
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12