NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1703 - 1706 of 2184

Access detailed explanations (illustrated with images and videos) to 2184 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 550.00 or

How to register?

Question number: 1703

» Electronic Devices » Logic Gates (Or, and, NOT, NAND and Nor)

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

The following circuit represents ‘OR’ gate

 Circuit diagram consist of logic gates

Circuit Diagram Consist of Logic Gates

Here in circuit output of a NOR gate be the inputs of another NOR gate.

Reason (Ꭱ)

For the above circuit

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is false but Ꭱ is true

Question number: 1704

» Electronic Devices » Junction Transistor

Edit
MCQ▾

Question

The transfer ratio of a transistor is 50. The input resistance of the transistor when used in the common-emitter configuration is 1 KΩ. The peak value for an A. C input voltage of 0.01 V peak is,

Choices

Choice (4) Response

a.

100 μA

b.

0.25 mA

c.

0.01 mA

d.

500 μA

Question number: 1705

» Electronic Devices » Junction Transistor

Edit
MCQ▾

Question

For transistor, the current amplification factor is 0.8. The transistor is connected in common emitter configuration. The change in the collector current when the base current change by 6 mA is,

Choices

Choice (4) Response

a.

4.8 mA

b.

6 mA

c.

24 mA

d.

8 mA

Question number: 1706

» Electronic Devices » Logic Gates (Or, and, NOT, NAND and Nor)

Edit
MCQ▾

Question

Figure gives a system of logic gates. From the study of truth table it can be found that to produce a high output (1) at R, we must have

Circuit diagram of the combination of NOT, NOR, NANDand ORgates

Circuit Diagram of the Combination of NOT, nor, NANDand ORgates

In figure combination of two NOT, a NAND, a NOR and a OR gates is shown.

Choices

Choice (4) Response

a.

X = 0, Y = 1

b.

X = 1, Y = 0

c.

X = 0, Y = 0

d.

X = 1, Y = 1