Kirchhoff’s Laws and their Applications NEET Questions

Physics - Current Electricity

Kirchhoff’s Laws and their Applications MCQ Questions


1.
In Kirchhoff’s current law, what happens if the sum of incoming and outgoing currents is not zero?
A.
Charge is accumulating at the junction
B.
There is no violation of Kirchhoff’s law
C.
The law is incorrect
D.
Kirchhoff’s voltage law is invalid
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ANSWER :
A. Charge is accumulating at the junction
2.
Which of the following is a consequence of Kirchhoff’s voltage law?
A.
The sum of potential differences is positive
B.
Energy is not conserved
C.
Charge is not conserved
D.
The loop equation must be modified
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ANSWER :
B. Energy is not conserved
3.
Which of the following statements is true according to Kirchhoff’s voltage law?

NEET - 2022

A.
The total voltage drop in a closed circuit is equal to the total emf
B.
The total resistance in a circuit must be zero
C.
Current must be the same in all branches
D.
Total current must be zero
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ANSWER :
A. The total voltage drop in a closed circuit is equal to the total emf
4.
Kirchhoff’s laws are not applicable in circuits with:
A.
Alternating current
B.
Superconductors
C.
Low-frequency circuits
D.
Very large circuits
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ANSWER :
D. Very large circuits
5.
Kirchhoff’s current law is based on the conservation of:
A.
Charge
B.
Energy
C.
Momentum
D.
Mass
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ANSWER :
A. Charge
6.
In Kirchhoff’s loop rule, the sum of potential differences around a closed loop is:

NEET - 2019

A.
Always positive
B.
Always negative
C.
Zero
D.
Depends on resistance
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ANSWER :
C. Zero