Q. What happens to the magnetic field in the solenoid when the length of the solenoid increases?

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Q. The current in a solenoid is 30A, the number of turns per unit length is 500 turns per metre. Calculate the magnetic field if the core is air.

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Q. The magnetic field of the solenoid is 18.84mT, the number of turns per unit length is 500 turns per metre. Calculate the current if the core is air.

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Q. The magnetic field of the solenoid is 18.84mT, the current is 30A. Calculate the number of turns per unit length if the core is air.

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Q. What is the expression for force in a current carrying conductor?

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Q. Force in a conductor is__________ to the product of the charges.

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Q. Force in a conductor is __________ to the square of the distance between the charges.

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Q. Calculate the force between two charges having magnitude 3nC and 2nC separated by a distance of 2micro m.

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Q. If the flow of electric current is parallel to the magnetic field, the force will be?

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Q. The ratio of magnetic force to electric force on a charged particle getting undeflected in a field is ______

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Q. Weakest force in nature is __________

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Q. The relation between the direction of force and the direction of magnetic field is __________

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Q. The relation between the direction of current and the direction of the force is ________

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Q. Which among the following, is the correct expression for force in a current carrying conductor if magnetic field is perpendicular to it?

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Q. When the current in the current carrying conductor increases, what happens to the force in the conductor which is at right angles to the magnetic field?

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Q. When the length of the conductor in the current carrying conductor increases, what happens to the force in the conductor which is at right angles to the magnetic field?

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Q. When the magnetic field intensity in the current carrying conductor increases, what happens to the force in the conductor which is at right angles to the magnetic field?

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Q. The unit for force in a current carrying conductor is _________

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Q. If net force is zero on a particle in magnetic field what is relation between velocity and magnetic field?

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Q. If the intensity of the magnetic field is 100T, the length of the conductor is 10m and the magnitude of force perpendicular to the magnetic field is 10kN, calculate the current in the conductor.

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