MCQ
Kirchhoff's second law in any closed circuit represents:
- ✓law of conservation of energy
- Blaw of conservation of charge
- Claw of conservation of current
- Dlaw of conservation of momentum
✓
Answer
Correct option: A.
law of conservation of energy
(a)law of conservation of energy
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Assertion : An electric field is preferred in comparison to magnetic field for detecting the electron beam in a television picture tube.
Reason : Electric field require low voltage.
Reason : Electric field require low voltage.
At time $t =0$, terminal $A$ in the circuit shown in the figure is connected to $B$ by a key and alternating current $I ( t )= I _0 \cos (\omega t$,$) , with I _0=1 A$ and $\omega=500 \ rad s ^{-1}$ starts flowing in it with the initial direction shown in the figure.
→At $t=\frac{7 \pi}{6 \omega}$, the key is switched from $B$ to $D$. Now onwards on ly $A$ and $D$ are connected. $A$ total charge $Q$ flows from the battery to charge the capacitor fully. If $C =20 \mu, R =10 \Omega$ and the battery is ideal with emf of $50 \ V$, identify the correct statement $(s)$
$(A)$ Magnitude of the maximum charge on the capacitor before $t=\frac{7 \pi}{6 \omega}$ is $1 \times 10^{-3} C$.
$(B)$ The current in the left part of the circuit just before $t=\frac{7 \pi}{6 \omega}$ is clockwise
$(C)$ Immediately after $A$ is connected to $D$. the current in $R$ is $10 A$.
$(D)$ $Q =2 \times 10^{-3} C$.
Two ends of a conductor are at different temperatures the electromotive force generated between two ends is
A ring is made of a wire having a resistance $R_0 = 12 \,\,\Omega$. Find the points $A$ and $B,$ as shown in the figure, at which a current carrying conductor should be connected so that the resistance $R$ of the sub circuit between these points is equal to $\frac{8}{3}\,\Omega$.
→The truth table for the circuit given in the fig is
In the following circuit, the bulb will become suddenly bright if
Scale used in moving coil galvanometer is:
If a charged particle at rest experiences no electromagnetic force:
A ray of light passing through a prism $(\mu=\sqrt{3})$ suffers minimum deviation. It is found that the angle of incidence is double the angle of refraction within the prism. Then, the angle of prism is ..... . (in degrees)
→$50\%$ of the $X-$rays coming from a Coolidge tube are able to pass through a $0.1\ mm$ thick aluminium foil. If the potential difference between the target and the filament is increased, the fraction of the $X-$rays passing through the same foil will be:
→