Download App

Electromagnetic Induction — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectromagnetic Induction1 Mark
Question
The induction coil works on the principle of.
✓

Answer

  1. Mutual induction
Explanation:
Induction coil works on the principle of mutual induction that an emf or current is induced in the second coil if the magnetic flux due to first coil linked with the second coil changes.

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 "M.C.Q (1 Marks)" from Electromagnetic Induction→Electromagnetic Induction — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Magnitude of produced magnetic field at any point inside a solenoid depends on:
→
In Bohr model of hydrogen atom, the ratio of periods of revolution of an electron in n = 2  and n = 1 orbits is(a) 2 : 1(b) 4 : 1(c) 8 : 1(d) 16 : 1
       
→
Eight small drops, each of radius r and having same charge q are combined to form a big drop. The ratio between the potentials of the bigger drop and the smaller drop is
→
Which of the following is/are optoelectronic devices?
→
Back isotopes of hydrogen has ________ proton. Fill in the blank.
→
A varying current at the rate of $3\ A/s$ in a coil generates an $\text{e.m.f.}$ of $8\ mV$ in a nearby coil. The mutual inductance of the two coils is
→
According to Faraday's law of electromagnetic induction(a) The direction of induced current is such that it opposes the cause producing it(b) The magnitude of induced e.m.f. produced in a coil is directly proportional to the rate of change of magnetic flux(c) The direction of induced e.m.f. is such that it opposes the cause producing it(d) None of the above
 
 
 
 
→
While walking on ice, one should take small steps to avoid slipping. This is because smaller steps ensure:
  1. Larger friction.
  2. Smaller friction.
  3. Larger normal force.
  4. Smaller normal force.
→
The power of a person's spectacle lenses is +2 D . He is suffering from which of the following defects?
→
In the Bohr's hydrogen atom model, the radius of the stationary orbit is directly proportional to $(n =$ principle quantum number$)$
→