1
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following statements is WRONG regarding LED?

A
LEDs are energy efficient
B
LEDs have long time if properly manufactured.
C
Brightness of light emitted by LED cannot be controlled.
D
Colours produced by LED do not fade out.
2
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In which figure, the junction diode is forward biased?

A
MHT CET 2023 12th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 20 English Option 1
B
MHT CET 2023 12th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 20 English Option 2
C
MHT CET 2023 12th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 20 English Option 3
D
MHT CET 2023 12th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 20 English Option 4
3
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The following logic gate combination is equivalent to

MHT CET 2023 12th May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 24 English

A
NAND gate
B
OR gate
C
XOR gate
D
NOT gate
4
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The logic gate combination circuit shown in the figure performs the logic function of

MHT CET 2023 12th May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 23 English

A
AND gate
B
NAND gate
C
OR gate
D
XOR gate
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