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List of top Physics Questions on Kirchhoff's Laws asked in MET
An electric kettle has two coils. When one coil is switched on, it takes 10 min to boil water and when the second coil is switched on it takes 20 min to boil same amount of water. The time taken when both coils are used in parallel is \(n\) seconds. Find \(n\).
MET - 2024
MET
Physics
Kirchhoff's Laws
The resistance of a wire at \(20^\circ C\) is \(20\Omega\) and at \(500^\circ C\) is \(60\Omega\). At which temperature its resistance will be \(25\Omega\)?
MET - 2023
MET
Physics
Kirchhoff's Laws
A current of 2 A flows in the system of conductors as shown in the figure. The potential difference \(V_P - V_R\) will be :
MET - 2021
MET
Physics
Kirchhoff's Laws
A wire of resistance \(5\,\Omega\) is drawn out so that its length is increased to twice its original length, its new resistance is:
MET - 2020
MET
Physics
Kirchhoff's Laws
On a heater coil it is written \(250\,V, 500\,W\). What is the resistance of this coil?
MET - 2020
MET
Physics
Kirchhoff's Laws
An electric current of \(2\,A\) passes through a wire of resistance \(25\,\Omega\). How much heat will be generated in \(1\,min\)?
MET - 2020
MET
Physics
Kirchhoff's Laws
A battery of emf 10 V is connected to resistance as shown in figure. The potential difference $VA-VB$ between the points A and B is
MET - 2010
MET
Physics
Kirchhoff's Laws
The correct set of four quantum numbers for outermost electron of potassium ($Z=19$) is
MET - 2009
MET
Physics
Kirchhoff's Laws
For the reaction $H_2O (l) \rightleftharpoons H_2O(g)$ at 373 K and 1 atm pressure
MET - 2009
MET
Physics
Kirchhoff's Laws
A closed mesh has a potential \( V' \), current \( I \), and resistance \( R \). If \( V' = 0.5 \,\text{V} \), \( I = 0.1 \,\text{A} \), and \( R = 20 \,\Omega \), the total voltage \( V \) is:
MET - 2008
MET
Physics
Kirchhoff's Laws
The resistance of an ideal ammeter is:
MET - 2008
MET
Physics
Kirchhoff's Laws