EASY
12th Odisha Board
IMPORTANT
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If a long copper rod carries a direct current, the magnetic field associated with the current will be both inside and outside the rod.

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Important Questions on Magnetic Effect of Electric Current

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 9
What is the unit pole-strength?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 10
A neutron enters a magnetic field of strength B (tesla), perpendicular to the magnetic lines of force, with speed v. What is the force on the neutron?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 1
Correct the following sentence: S.I unit of magnetic lines of force is Maxwell.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 2
Correct the following sentence: 1 Weber = 10-8 Maxwell.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 3
Correct the following sentence: 1 tesla = 106 gauss.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 4
Correct the following sentence: The magnetic field at the centre of a circular coil of radius a, carrying current I, is given as B=μ0I4πa.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 5
Correct the following sentence: The magnetic field due to an infinitely long straight current is given as B=μ0I4πd.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 6
Correct the following sentence: Fleming's right-hand rule gives the direction of magnetic force on the conductor due to a current.