nda physics quiz magnetic effects of electronic current

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nda physics quiz magnetic effects of electronic current

Question 1. The magnetic field around a current-carrying conductor was discovered by:

Faraday

Maxwell

Hans Christian Oersted

Coulomb

Question 2. The SI unit of magnetic field strength is:

Weber

Tesla

Henry

Gauss

Question 3. The direction of the magnetic field around a straight conductor carrying current can be determined by:

Left-hand rule

Fleming’s right-hand rule

Right-hand thumb rule

Fleming’s left-hand rule

Question 4. A current-carrying solenoid behaves like:

A bar magnet

An electric dipole

A capacitor

A galvanometer

Question 5. The device that converts electrical energy into mechanical energy using magnetic effects is:

Transformer

Generator

Electric motor

Battery

Question 6. The strength of the magnetic field inside a solenoid increases if:

Current is decreased

Number of turns is reduced

Number of turns per unit length is increased

Length of the solenoid is increased

Question 7. The north pole of a current-carrying coil can be identified by:

Fleming’s right-hand rule

Corkscrew rule

Right-hand thumb rule

Ampere’s law

Question 8. Which of the following will produce a magnetic field?

A moving charge

A stationary charge

A neutral particle

A vacuum

Question 9. The core of an electromagnet is made of:

Copper

Aluminium

Soft iron

Zinc

Question 10. The force experienced by a current-carrying conductor in a magnetic field is maximum when:

It is parallel to the magnetic field

It is perpendicular to the magnetic field

It makes 45° with the magnetic field

There is no magnetic field

Quiz

Question 1. The magnetic field around a current-carrying conductor was discovered by:

Question 2. The SI unit of magnetic field strength is:

Question 3. The direction of the magnetic field around a straight conductor carrying current can be determined by:

Question 4. A current-carrying solenoid behaves like:

Question 5. The device that converts electrical energy into mechanical energy using magnetic effects is:

Question 6. The strength of the magnetic field inside a solenoid increases if:

Question 7. The north pole of a current-carrying coil can be identified by:

Question 8. Which of the following will produce a magnetic field?

Question 9. The core of an electromagnet is made of:

Question 10. The force experienced by a current-carrying conductor in a magnetic field is maximum when:

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