Physics question and answers for December 12, 2023
- Q 23 A circular ring of radius r is placed in a homogeneous magnetic field perpendicular to the plane of the ring The field B changes with time according to the...
- Q 4 A vertical circular coil of radius 0 1 m and of 10 turns car ries a steady current When the plane of the coil is normal to the magnetic...
- Q 2 29 There is a constant homogeneous electric field of 100 Vm within the region x 0 and x 0 167 m pointing in the positive x direction There is...
- Q A non conducting rod of length 15 cm and linear charge density 100 C m is hinged at one end It is kept in horizontal position in vertical plane in...
- Q A charge of 8 84 C is traveling at a speed of 6 02 x 106 m s in a region of space where there is a magnetic field The...
- Q A solid cylindrical conductor of radius R has a uniform current density The magnetic field H inside the conductor at a distance r from the axis of the conductor is...
- Q A uniform magnetic field B exists perpendicular to the plane of figure in a circular region of radius b as shown A circular conductor of radius a b and centre...
- Q Two long wires one carrying current 1 A and other carrying 2 A in the same direction are placed parallel to each other produces a net magnetic field B at...
- Q Correct Questions 27 180 Same current is flowing in three infinitely long thin wire along positive x y and z direction The magnetic field at a point 0 0 a...
- Q One of the two small circular coils none of them having any self inductance is suspended with a V shaped copper wire with plane horizontal The other coil is placed...
- Q 2 What is peak electric field produced by the radiations coming from 100 W bulb at a distance 3 m Assuming that bulb is poin source with efficiency of 2...
- Q Two circular coils mounted parallel to each other on the same axis carry steady currents If an observer betwe the coils reports that one coil carrying a clockwise current i...
- Q xi In figure 5 54 a wire ring of radius R is in pure rolling on a surface Find the EMF induced across the top and bottom points of the...
- Q current i are equally placed as shown in the figure Adjacent wires have current in opposite direction Net magnetic field at point P is 45 a 2 x N
- Q 5 A current I flows in an infinitely long wire with cross section in the form of a semi circular ring of radius R The magnitude of the magnetic induction...
- Q In the figure given below a current carrying infinitely long wire is shown Find the magnitude of magnetic field at point P 1 2 3 Mo 3 1 2 2...
- Q 4 17 A current i 5 0 amp flows along a thin wire shaped as shown in figure 4 253 The radius of a curved part of the wire is...
- Q Consider the possibility of a new design for an electric train The engine is driven by the force due to the vertical component of the earths magnetic field on a...
- Q in a An electric current runs counterclockwise rectangular loop around the outside edge of the page which lies flat on your table A uniform magnetic field is then turned on...
- Q Magnetic moment associated with an electron moving at speed vin a circular orbit of radius r is in magnitudes 1 evr 3 evr 4 2 NCERT Maps NCERT Pg 162...
- Q material of resistivity p The inner and outer radii of ring are a and 2a respectively and its thickness is h The ring is placed in a time varying magnetic...
- Q 7 Two long straight parallel wires A and B carrying current of 20 A and 10 A is same direction are separated by a distance of 5 cm The force...
- Q Charges and Magnetism In a chamber a uniform magnetic field of 1 2 T is maintained An electron is shot into the field with a speed of 3 2 x...
- Q Figure shows two long parallel wires separated by a distance of 18 cm There is current of 8 A in wire 1 and 12 A in wire 2 At what...
- Q iv A long cylinder of radius a carrying a uniform surface charge rotates about its axis with an angular velocity co Find the magnetic field energy per unit length of...
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