MAGNETISM AND CAPACITORS - Quiz

1) What is the effect on surrounding metal placed in a magnetic field?

Hysteresis Skin effect Eddy current Dielectric stress

2) In which device the air capacitors are used?

TV tuner Oscillator Loudspeaker Radio receiver

3) What will happen, if the polarized electrolytic capacitor is reversely connected?

No effect on the capacitor Explode due to excessive heat Current is reduced in the circuit Value of capacitance will be increased

4) Which is the diamagnetic substance?

Wood Nickel Platinum Manganese

5) What is the S.I unit of Flux density?

Tesla Weber Weber/metre Ampere-turns