Question
a.
µ₀i/2r
b.
µ₀i/r
c.
µ₀i/2πr
d.
µ₀i/πr
Posted under Basic Electrical Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. Magnetic field at a point d distance away from long wire due to electric current i in it is ____________
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. The force per unit length existing between two infinite parallel conductors is given by ___________
View solution
Q. If the radius of the current carrying conductor increases, what is the effect on the force?
View solution
Q. If current of conductor increases, what is the effect on the force?
View solution
Q. If length of current carrying conductor increases, what is the effect on the force?
View solution
Q. The magnetic field strength of a solenoid can be increased by inserting which of the following materials as the core?
View solution
Q. If a coil is wound around a steel core and electric current is passed through the coil, the steel core acts as a?
View solution
Q. What is the formula for the magnetic field due to a solenoid?
View solution
Q. What happens to the magnetic field in the solenoid when the number of turns increases?
View solution
Q. What happens to the magnetic field in the solenoid when the current increases?
View solution
Q. What happens to the magnetic field in the solenoid when the length of the solenoid increases?
View solution
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.
View solution
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.
View solution
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.
View solution
Q. What is the expression for force in a current carrying conductor?
View solution
Q. Force in a conductor is__________ to the product of the charges.
View solution
Q. Force in a conductor is __________ to the square of the distance between the charges.
View solution
Q. Calculate the force between two charges having magnitude 3nC and 2nC separated by a distance of 2micro m.
View solution
Q. If the flow of electric current is parallel to the magnetic field, the force will be?
View solution
Q. The ratio of magnetic force to electric force on a charged particle getting undeflected in a field is ______
View solution
Q. Weakest force in nature is __________
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Basic Electrical Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
