Kirchhoff’s Laws and their Applications NEET Questions

Physics - Current Electricity

Kirchhoff’s Laws and their Applications MCQ Questions


13.
Kirchhoff’s laws can be used to analyze:
A.
Resistive networks
B.
Inductive networks
C.
Capacitive networks
D.
All of the above
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ANSWER :
D. All of the above
14.
A circuit contains two batteries connected in series. According to Kirchhoff’s loop rule, the net emf in the loop is given by:

NEET - 2023

A.
Sum of the individual emfs
B.
Difference of the individual emfs
C.
Product of the individual emfs
D.
Zero
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ANSWER :
A. Sum of the individual emfs
15.
What happens when multiple resistors are connected in parallel at a junction?
A.
Current divides based on resistance
B.
Current remains the same in all branches
C.
Total resistance increases
D.
Total resistance decreases
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ANSWER :
A. Current divides based on resistance
16.
In an electric circuit, Kirchhoff’s first law ensures:
A.
Total current entering equals total current leaving
B.
Voltage sources do not lose energy
C.
The circuit always has power
D.
The circuit has constant power
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ANSWER :
A. Total current entering equals total current leaving
17.
What is the fundamental assumption of Kirchhoff’s laws?
A.
Electric fields are uniform
B.
Magnetic fields do not change
C.
Voltage sources are ideal
D.
Magnetic fields can be ignored
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ANSWER :
B. Magnetic fields do not change
18.
Which of the following best describes a node in an electrical circuit?
A.
A point where components connect
B.
A closed loop in a circuit
C.
A voltage-controlled element
D.
A resistor connected to a node
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ANSWER :
A. A point where components connect