Question
Consider a current carrying wire (current I) in the shape of a circle.
✓
Answer
- Electric field produced by charges accumulated on the surface of wire.
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
A point P is situated on the axis of an electric dipole at a distance x from its mid-point, the electric potential at point P is proportional to:
On a glass plate a light wave is incident at an angle of $60^\circ .$ If the reflected and the refracted waves are mutually perpendicular, the refractive index of material is
→(USS 133) Indium impurity in germanium makes(a) N-type(b) P-type(c) Insulator(d) Intrinsic
The number of neutrons in an atom of $_{90}Th^{230}$ is:
→Calculate the wavelength of electromagnetic waves of frequency 300MHz.
When a p-n diode is reverse biased, then
Pick the correct options:
- Magnetic field is produced by electric charges only.
- Magnetic poles are only mathematical assumptions having no real existence.
- A north pole is equivalent to a clockwise current and a south pole is equivalent to an anticlockwise current.
- A bar magnet is equivalent to a long, straight current.
Identify the type of conductor represented by the V-I characteristic curve given below.
The resistance of a wire is $10^{-6} \Omega$ per metre. It is bend in the form of a circle of diameter $2 m$. A wire of the same material is connected across its diameter. The total resistance across its diameter $AB$ will be
→A magnet is moved into the coil of wire as shown, there is a small reading on the sensitive meter.
Which change would increase the size of the reading?
Which change would increase the size of the reading?