Download App

Moving Charges and Magnetism — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsMoving Charges and Magnetism1 Mark
Question
What is the magnetic field at O in the figure?
Image
✓

Answer

B=0. Due to circular part, magnetic field is produced in opposite direction, hence resultant magnetic field is zero.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "1 Marks Question" from Moving Charges and Magnetism→Moving Charges and Magnetism — all question types→Physics STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Where on the surface of Earth is the angle of dip 90o?
→
A sample of HCl gas is placed in an electric field of $3 \times 10^4 N / C$. The dipole moment of each molecule of HCl is $6 \times 10^{-30} C \times m$. What will be the maximum torque acting on the molecule?
→
1 eV energy is equivalent to how many joules?
→
Why cannot we use Si and Ge in fabrication of visible LEDs?
→
What is called critical angle?
→
Two blocks of masses 10kg and 20kg moving at speeds of 10ms-1 and 20ms-1 respectively in opposite directions, approach each other and collide. If the collision is completely inelastic, find the thermal energy developed in the process.
→
Show variation of resistivity of Si with temperature in a graph.
→
When the frequency of the AC source in an LCR circuit equals the resonant frequency, the reactance of the circuit is zero. Does it mean that there is no current through the inductor or the capacitor?
→
The power factor of an a.c. circuit is 0.5. What is the phase difference between voltage and current in the circuit?
→
On what components does diffraction depend?
→