MCQ
A current carrying loop is placed in a uniform magnetic field. The torque acting on it does not depend upon:
- ✓Shape of the loop.
- BArea of the loop.
- CValue of the current.
- DMagnetic field.
✓
Answer
Correct option: A.
Shape of the loop.
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
The resistance of an ideal voltmeter is
Ionization energy of hydrogen is 13.6 eV . If $h =6.6 \times 10^{-34} J- sec$, the value of R will be of the order of
→In Maxwell's velocity distribution curve area under the graph:
An electric kettle takes $4\, A$ current at $220\, V$. How much time will it take to boil $1\, kg$ of water from room temperature $20\,^\circ C$ ? The temperature of boiling water is $100\,^\circ C$ .................. $minutes$
→Given below are two statements:
→Statement $I$: Electromagnetic waves carry energy as they travel through space and this energy is equally shared by the electric and magnetic fields.
Statement $II$: When electromagnetic waves strike a surface, a pressure is exerted on the surface.In the light of the above statements, choose the most appropriate answer from the options given below:
Three bulbs of 40W, 60W and 100W are arranged in series with 220V. Which bulb has minimum resistance
A glass convex lens $({\mu _g} = 1.5)$ has a focal length of $8\,cm$ when placed in air. What would be the focal length of the lens when it is immersed in water ( ${\mu _w} = 1.33$)
→In the given circuit, the equivalent resistance between the terminal $A$ and $B$ is $........\Omega$.
→In a circuit 5 percent of total current passes through a galvanometer. If resistance of the galvanometer is G then value of the shunt is
Each atom of an iron bar (5cm × 1 cm × 1 cm) has a magnetic moment $1.8\times 10^{-23}Am^2$ . Knowing that the density of iron is $7.78\times 10^3 kg^{-3}m,$ atomic weight is 56 and Avogadro's number is $6.02\times 10^{23}$ the magnetic moment of bar in the state of magnetic saturation will be
→