Electric Circuits Questions and Answers, Set 6

 

Electric Circuits Questions and Answers

Q1. 

The number of terminals in an Op-amp _____

Answer : 

5

Q2. 

The Op-amp is a type of ______

Answer :  

Differential amplifier

Q3. 

When the input voltage difference is small in magnitude, the Op-amp behaves as ______

Answer : 

Linear device

Q4. 

If the output voltage is not a linear function of input voltage then ______

Answer : 

Op-amp acts as a non-linear device

Q5. 

The negative feedback causes the input voltage difference to ______

Answer : 

Decrease

Q6. 

Which method is best for voltage sources?

Answer : 

Nodal analysis

Q7. 

When there is a current source between two loops which method is preferred?

Answer :  

Supermesh

Q8. 

If there are b branches and n nodes, then how many node-voltage equations are required?

Answer :  

n-1

Q9.

There are 6 branches and 2 essential nodes then 3 equations are required to describe a circuit in the mesh-current method.

Answer :  

False

Q10. 

When there is a voltage source between two nodes, which method is preferred?

Answer : 

Supernode

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