MCQ
According to Maxwell's hypothesis, a changing electric field gives rise to
- AAn e.m.f.
- BElectric current
- ✓Magnetic field
- DPressure radiant
✓
Answer
Correct option: C.
Magnetic field
According to the Maxwell's EM theory, the EM waves propagation contains electric and magnetic field vibration in mutually perpendicular direction. Thus the changing of electric field give rise to magnetic field.
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
Two rods of same material and length have their electric resistance in ratio $1: 2$. When both rods are dipped in water, the correct statement will be
→Two identical cells send the same current in $2 \Omega$ resistance, whether connected in series or in parallel. The internal resistance of the cell should be
→The engine of a car produces acceleration $4 m / s ^2$ in the car. If this car pulls another car of same mass, what will be the acceleration produced
→If a source of light is moving away from a stationary observer, then the frequency of light wave appears to change because of
Which one of the following gases possesses the largest internal energy
In a thermodynamics process, pressure of a fixed mass of a gas is changed in such a manner that the gas releases $20 \mathrm{~J}$ of heat and 8J of work is done on the gas. If the initial internal energy of the gas was $30 \%$. The final internal energy will be
→Which is the correct statement
Power delivered by the source of the circuit becomes maximum, when
A plano-convex lens is made of refractive index of $1.6.$ The radius of curvature of the curved surface is $60 \mathrm{~cm}$. The focal length of the lens is
→The value of amplification factor from the following graph will be