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Magnetic Lorentz Force Free Doubts and Solutions

CBSE - XII Science - Physics - Moving Charges and Magnetism

A BEAM OF ALPHA PARTCLES PROJECTED ALONG POSITIVE X-AXIS EXPERIRNCES A FORCE DUE TO A MAGNETIC FIRLD ALONG POSITIVE Y-AXIS .WHAT IS THE DIRECTION OF THE MAGNETIC FIELD? PLEASE EXPLAIN CLEARLY.

Asked by modi72879 4th September 2017, 8:07 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

How does aurora occurs?why it is only seen in the polar region?

Asked by vasturushi 9th July 2017, 1:25 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

please explain term velocity selector

Asked by vinodjoshi112233 12th June 2017, 6:37 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

what is the theory and concept behind magnetic moment?? how do we explain it???

Asked by chandrasekaran.b 12th March 2017, 9:30 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A cubical block of side a moving with velocity v on a smooth horizontal plane. It hits a rigid point. What will be the angular speed of the block after it hits the rigid point.

Asked by Today's 2nd February 2016, 2:59 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Name the physical quantity which remains same for microwaves of wavelength 1 mm and UV radiations of 1600  in vacuum.

Asked by Topperlearning User 20th May 2015, 3:23 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Under what condition an electron moving through a magnetic field experiences the maximum force ?

Asked by Topperlearning User 20th May 2015, 3:04 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

An electron of energy 200 eV describes circle in a magnetic field of 0.2T. Calculate the radius of the circle. Given mass of electron is 9 x 10-31 kg, 1 eV=1.6 x 10-19 J.

Asked by Topperlearning User 20th May 2015, 10:19 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A charged particle moving in a uniform magnetic field of induction 10-3 Wb/m2  with a velocity of 106 m/s in a circular path of radius 0.45 cm. Find out the specific charge of the particle.

Asked by Topperlearning User 20th May 2015, 9:59 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A proton is moving around the equator of the earth with the speed of begin mathsize 11px style 2 cross times 10 to the power of 5 space straight m divided by straight s end style. Find the minimum magnetic field, which should be created at the equator for this purpose. The mass of proton begin mathsize 12px style 1.7 cross times 10 to the power of negative 27 end exponent kg end style  and the radius of earth = begin mathsize 12px style 6.37 cross times 10 to the power of 6 straight m end style.

Asked by Topperlearning User 20th May 2015, 9:53 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A proton and an alpha particle enter a uniform magnetic field perpendicularly with the same speed. How many times is the time period of the alpha particle than that of the proton? Also find the ratio of the radii of the circular path of the two particles?

Asked by Topperlearning User 19th May 2015, 3:30 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Discuss the nature of the paths executed by the charge particle moving in a uniform magnetic field?

Asked by Topperlearning User 19th May 2015, 3:21 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Discuss the motion of a charged particle in uniform magnetic field?

Asked by Topperlearning User 19th May 2015, 1:31 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Under which conditions there is no force experienced by the charge particle in a uniform magnetic field?

Asked by Topperlearning User 19th May 2015, 1:25 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

State the rule, which governs the direction of the magnetic Lorentz force.

Asked by Topperlearning User 19th May 2015, 11:00 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Deduce an expression for the force experienced by the moving charged particle in a uniform magnetic field?

Asked by Topperlearning User 19th May 2015, 10:57 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

What is the work done by a magnetic field on a moving charge?

Asked by Topperlearning User 19th May 2015, 10:16 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

In the expression, F= qvBsinθ  which pair of vectors among ,  and  is always perpendicular to each other.

Asked by Topperlearning User 19th May 2015, 10:06 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

When will be the force experienced by moving charge in a magnetic field maximum and minimum?

Asked by Topperlearning User 19th May 2015, 9:47 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

What do you mean by magnetic Lorentz force?

Asked by Topperlearning User 19th May 2015, 9:44 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

a charge q is moving in a circle of radius r and speed v.What is the magnetic field at the center of the loop?

Asked by Malavika Umesh 8th August 2014, 1:51 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

What is trajectory of charged particle when it is projected at an angle to the uniform magnetic field?Explain.

Asked by Akshay Hemke 6th August 2014, 9:34 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

What would be the direction of force acting on a charge entering a magnetic field?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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