Capacitors, Electromagnetism & Electromagnetic Induction

State the unit of Magnetic Flux?

What is the S.I. unit given to magnetic flux density?

What is the S.I. Unit of Capacitance?

Give the name of the device that is used the measure magnetic flux density?

The direction of the induced current is such that it tends to oppose the original change in flux is the law stated by?

Give the name of a device that works based on the principle of electromagnetism

Which of the following features of a transformer does not enhance the efficiency of a transformer?

• insulated wires

• laminated core

• core made from soft-iron

• metallic core

What type of force exists between two parallel current-carrying conductors carrying current in the same direction?

An ideal transformer has 5A and 12V turns on the primary, How much power is delivered to the secondary?

Which of the following scientists discovered that a changing magnetic field is required to induce an electric current?

• Einstein

• Lenz

• Maxwell

• Faraday