MAGNETISM AND CAPACITORS - Practice Mode

1) What is the effect on surrounding metal placed in a magnetic field?
Correct Answer: Eddy current
2) In which device the air capacitors are used?
Correct Answer: Radio receiver
3) What will happen, if the polarized electrolytic capacitor is reversely connected?
Correct Answer: Explode due to excessive heat
4) Which is the diamagnetic substance?
Correct Answer: Wood
5) What is the S.I unit of Flux density?
Correct Answer: Tesla