MAGNETISM AND CAPACITORS - Practice Mode

1) What is the unit of capacitance?

Mho Henry Farad Coulomb

Correct Answer: Farad

Explanation:

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2) What is the capacitance value of a capacitor that requires 0.5 coulomb to charge to 35 volt?

0.014 F 0.025 F 0.14 F 0.25 F

Correct Answer: 0.014 F

3) How the value of capacitance can be decreased?

Increasing the plate area Increasing the resistance of the plates Increasing the distance between the plates Using high dielectric constant material

Correct Answer: Increasing the distance between the plates

4) Which is the diamagnetic substance?

Air Steel Water Platinum

Correct Answer: Water

5) Which factor affects the polarity of the electromagnet?

Length of the coil Direction of current Strength of current Strength of the magnetic field

Correct Answer: Direction of current

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