12th Physics Monthly Test - 2 ( Magnetism and magnetic effects of electric current )

St. Britto Hr. Sec. School - Madurai

12th Physics Monthly Test - 2 ( Magnetism and magnetic effects of electric current )-Aug 2020

Time : 2.00 Hours

Part - A

Generic 2 - Answer All Question

Distinguish between Uniform magnetic field and Non-uniform magnetic field?

State the factors on which the current sensitivity of a galvanometer is increased.

What is meant by hysteresis?

State Maxwell's right hand cork screw rule?
Define remanence or retentivity?

What is Declination?

What is magnetic Lorentz force?

What is Magnetic field?

Where on the earth's surface is the value of
(i) angle of dip maximum
(ii) vertical component of earth's magnetic field zero

In what way is the behaviour of a diamagnetic material different from that of a paramagnetic when kept in an external magnetic field?

What is magnetic axis, magnetic meridian & magnetic equator.

What is Cyclotron? State the principle of Cyclotron.

Define Voltage sensitivity?

State the elements of Earth's magnetic field.

State Ampere's circuital law.

What are the properties required to make Permanent magnets?

What are the properties of materials used as an electromagnet?

Write the Similarities between Coulomb's law and Biot-Savort's law.

Define ampere.

The magnetic field lines prefer to pass through iron tnanaii why?

What do you mean by coercivity?
What is meant by
(i) Geographic axis
(ii) Geographic meridian &
(iii) Geographic equator

Mention the properties to make Electromagnets?

Define Current sensitivity?

When is a galvanometer said to be sensitive?

At a place, the horizontal component of earth's magnetic field is B and angle of dip is 60°. What is the value of horizontal component of the earth's magnetic field at equator?

Define magnetic dipole moment.

Part - B

Generic 5 - Answer All Question

A bar magnet is placed in a uniform magnetic field whose strength is 0.8 T. Suppose the bar magnet orient at an angle 30^o with the external field experiences a torque of 0.2 N m. Calculate:
(i) the magnetic moment of the magnet
(ii) the work done by an applied force in moving it from most stable configuration to the most unstable configuration and also compute the work done by the applied magnetic field in this case.

Explain the Motion of a charged particle in a uniform magnetic field.

A cyclotron's frequency is 8μHz. What should be the operating magnetic field for accelerating protons? If the radius of its dees is 50cm. calculate the k.E (is μeV) of the proton beam produced by the accelerator.

Compute the torque experienced by a magnetic needle in a uniform magnetic field.

A magnetised needle of magnetic moment 3.6 x 10^-2T^-1 is placed at 30° with the direction of uniform magnetic field of magnitude 2 x 10^-2T. Calculate the torque acting on the needle.

A 3.0m wire carrying a current of 10A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to the 0.277. What is the magnetic force on the wire?
What difference between soft ferromagnetic materials and hard ferromagnetic materials.

Two identical coils P & Q each of radius Rare lying in perpendicular planes such that they have a common centre. Find the magnitude and direction of magnetic field at the common centre of the two coils. if they currents equal to I and \(\sqrt{2}\) Irespectively.

Calculate the magnetic induction at a point on the axial line of a bar magnet.

Obtain an relation for the magnetic induction at a point along the axis of a circular coil carrying current.

A current 10A is flowing East to West in a long wire kept horizontally in the East - West direction. Find the magnitude and direction of magnetic field in a horizontal plane at a distance of 10 cm North.

Comment

Add Comment

InstaQB

Institutions

12th Standard English Medium

12th Standard Tamil Medium

11th Standard English Medium

11th Standard Tamil Medium

10th Standard English Medium

9th Standard English Medium

8th Standard English Medium

7th Standard English Medium

Class XII

Class XI

12Th Standard

11Th Standard

10Th Standard

9Th Standard

12th Physics Monthly Test - 2 ( Magnetism and magnetic effects of electric current )

St. Britto Hr. Sec. School - Madurai

12th Physics Monthly Test - 2 ( Magnetism and magnetic effects of electric current )-Aug 2020

Part - A

Generic 2 - Answer All Question

Distinguish between Uniform magnetic field and Non-uniform magnetic field?

State the factors on which the current sensitivity of a galvanometer is increased.

What is meant by hysteresis?

State Maxwell's right hand cork screw rule?

Define remanence or retentivity?

What is Declination?

What is magnetic Lorentz force?

What is Magnetic field?

Where on the earth's surface is the value of (i) angle of dip maximum (ii) vertical component of earth's magnetic field zero

In what way is the behaviour of a diamagnetic material different from that of a paramagnetic when kept in an external magnetic field?

What is magnetic axis, magnetic meridian & magnetic equator.

What is Cyclotron? State the principle of Cyclotron.

Define Voltage sensitivity?

State the elements of Earth's magnetic field.

State Ampere's circuital law.

What are the properties required to make Permanent magnets?

What are the properties of materials used as an electromagnet?

Write the Similarities between Coulomb's law and Biot-Savort's law.

Define ampere.

The magnetic field lines prefer to pass through iron tnanaii why?

What do you mean by coercivity?

What is meant by (i) Geographic axis (ii) Geographic meridian & (iii) Geographic equator

Mention the properties to make Electromagnets?

Define Current sensitivity?

When is a galvanometer said to be sensitive?

At a place, the horizontal component of earth's magnetic field is B and angle of dip is 60°. What is the value of horizontal component of the earth's magnetic field at equator?

Define magnetic dipole moment.

Part - B

Generic 5 - Answer All Question

Explain the Motion of a charged particle in a uniform magnetic field.

A cyclotron's frequency is 8μHz. What should be the operating magnetic field for accelerating protons? If the radius of its dees is 50cm. calculate the k.E (is μeV) of the proton beam produced by the accelerator.

Compute the torque experienced by a magnetic needle in a uniform magnetic field.

A magnetised needle of magnetic moment 3.6 x 10-2T-1 is placed at 30° with the direction of uniform magnetic field of magnitude 2 x 10-2T. Calculate the torque acting on the needle.

A 3.0m wire carrying a current of 10A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to the 0.277. What is the magnetic force on the wire?

What difference between soft ferromagnetic materials and hard ferromagnetic materials.

Two identical coils P & Q each of radius Rare lying in perpendicular planes such that they have a common centre. Find the magnitude and direction of magnetic field at the common centre of the two coils. if they currents equal to I and \(\sqrt{2}\) Irespectively.

Calculate the magnetic induction at a point on the axial line of a bar magnet.

Obtain an relation for the magnetic induction at a point along the axis of a circular coil carrying current.

A current 10A is flowing East to West in a long wire kept horizontally in the East - West direction. Find the magnitude and direction of magnetic field in a horizontal plane at a distance of 10 cm North.

Comment

Other Study material

12th Physics Monthly Test - 3 ( Magnetism and magn

12th Physics Monthly Test - 1 ( Electromagnetic In

12th Physics Monthly Test - 2 (Current Electricity

12th Physics Monthly Test - 3 ( Current Electricit

12th Physics Monthly Test - 1 ( Magnetism and magn

12th Physics Monthly Test - 2 ( Magnetism and magn

12th Physics weekly Test - 1 ( Communication Syste

12th Physics weekly Test - 2 ( Communication Syste

12th Physics weekly Test - 1 ( Recent Developments

12th Physics weekly Test - 2 ( Recent Developments

12th Physics Monthly Test - 1 ( Electrostatics )

12th Physics Monthly Test - 2 ( Electrostatics )

12th Physics Monthly Test - 2 ( Electrostatics )

12th Physics Monthly Test - 3 ( Electrostatics )

12th Physics Monthly Test - 1( Current Electricity

Tamilnadu Stateboardszs - Class

Where on the earth's surface is the value of
(i) angle of dip maximum
(ii) vertical component of earth's magnetic field zero

What is meant by
(i) Geographic axis
(ii) Geographic meridian &
(iii) Geographic equator

A magnetised needle of magnetic moment 3.6 x 10^-2T^-1 is placed at 30° with the direction of uniform magnetic field of magnitude 2 x 10^-2T. Calculate the torque acting on the needle.