1
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

In half wave rectification, if the input frequency is 60 Hz, then the output frequency would be

A
Zero
B
30 Hz
C
60 Hz
D
120 Hz
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

NEET 2022 Phase 1 Physics - Semiconductor Electronics Question 13 English

The truth table for the given logic circuit is

A
NEET 2022 Phase 1 Physics - Semiconductor Electronics Question 13 English Option 1
B
NEET 2022 Phase 1 Physics - Semiconductor Electronics Question 13 English Option 2
C
NEET 2022 Phase 1 Physics - Semiconductor Electronics Question 13 English Option 3
D
NEET 2022 Phase 1 Physics - Semiconductor Electronics Question 13 English Option 4
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Consider the following statements (A) and (B) and identify the correct answer.

(A) A Zener diode is connected in reverse bias, when used as a voltage regulator.

(B) The potential barrier of p-n junction lies between 0.1 V to 0.3 V.
A
(A) is incorrect but (B) is correct.
B
(A) and (B) both are correct.
C
(A) and (B) both are incorrect.
D
(A) is correct and (B) is incorrect.
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
The electron concentration in an n-type semiconductor is the same as hole concentration in a p-type semiconductor. An external field (electric) is applied across each of them. Compare the currents in them.
A
No current will flow in p-type, current will only flow in n-type
B
Current in n-type = current in p-type
C
current in p-type > current in n-type
D
current in n-type > current in p-type
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