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Biot Savarts Law Question & Answers

November 19, 2022 By WatElectronics

This article lists 50 Biot Savart Law MCQs for engineering students. All the Biot Savart Law  Questions & Answers given below include a hint and a link wherever possible to the relevant topic. This is helpful for users who are preparing for their exams, or interviews, or professionals who would like to brush up on the fundamentals of Biot Savart Law.

Electromagnetism is a concept in physics that deals with electromagnetic forces. Typically, it also deals with electric current and magnetic forces.  Law relating magnetic field to electric currents is known as Biot-Savarts Law. It describes generated magnetic fields because of constant electric currents with the equation.

The magnetic field generated is related to magnitude, length, direction & electric current proximity. Biot Savarts Law is a fundamental block to Magnetostatics just like Electrostatics have Coulomb’s Law. If magnetostatics is unapplied this law is replaced with the equations of Jefimenkos.

Biot savarts law is about the magnetic field generated because of tiny currents carried by the segment. The segment taken here is the vector quantity and called as Current element. This law can be applied to the smaller conductors that carry current and provides symmetrical distribution of current.

Magnetic responses at molecular or atomic levels are calculated using this law for example Magnetic susceptibilities or Chemical shieldings. Velocity induced due to Vortex lines in aerodynamics also uses Biot Savarts law for calculation.

1). Biot Savarts' law in magnetism is analogous to ___________ in electricity?

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2). Biot Savarts Law cannot calculate ___________?

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3). Which is termed as vector-quantity in ‘Biot Savarts Law’?

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4). Magnetic fields carried by the conductors at concerning points are calculated using _____________?

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5). What does the Biot Savarts Law state?

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6). What is the magnetic field’s equation as per Biot Savarts Law?

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7). Which equation represents Biot-Savarts Law in vector form?

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8). Magnetic field in Biot-Savarts law is in proportion to _______________?

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9). Magnetic field in Biot-Savarts law increase with __________?

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10). Magnetic field in Biot-Savarts law decrease due to __________?

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11). What is the relation between the magnetic field and the infinite lengths of wire at a certain distance 'r' from the conductor?

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12). What is calculated using Biot Savarts Law?

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13). Direction of magnetic fields follow ________________ for straight wires?

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14). Magnetic fields direction is ________________ to line of element?

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15). Biot Savarts Law is also referred to as ___________________?

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16). Magnetic field produced is in direct proportion to _______________?

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17). A loop of wire forms a full circle with current I and radius R. What can be the magnitude of the magnetic field at its center?

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18). Radius of a circularly placed coil is 4 * 10-2 meters with 60 turns and carries a current of about 0.5 A. Determine the circular coil's magnetic field at its center?

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19). A rod of copper carries DC to produce magnetic fields at ____________?

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20). Magnetic field outside the conductor is ______________?

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Biot Savarts Law MCQ for Interviews

21). A circularly placed conductor with a radius of 2 m and the current flowed is 6 A. Determine the intensity of the magnetic field at the circular conductor's center?

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22). Magnetic field produced because of current carrying element depends on _______________?

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23). If the radius of current carried coils is doubled by maintaining the same current. How does it affect the magnetic fields produced at the center?

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24). Which equation determines created magnetic fields by wires carrying current?

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25). Magnetic field produced by r distance from the wires of long length with the current 'I' is 0.6 T. What is the Magnetic field produced for 2r distance?

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26). If the current flowing through the coil, is I and its radius is R then the field generated at the center of the circular coil is ____________?

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27). A wire with the length I carry current i.e., steady. Firstly, it has bent and forms one circular turn. Then a similar wire with length is being same is bent and forms two turns of radius being small. Find the field produced at the center due to similar currents.

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28). Magnetic fields direction along dl is ___________?

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29). What is the constant of proportionality in Biot Savarts Equation?

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30). _______________ are perpendicular to the magnetic field’s direction?

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31). What should be done along the conductors' length to calculate magnetic fields?

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32). As per Biot Savarts Law what are the various factors related to the Magnetic field?

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33). _______________ maintains consistency with Gauss's and Ampere's law of circuits?

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34). What is used in calculating velocity in aerodynamics?

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35). Magnetic fields direction aroused from Vectors product natures is dependent upon ____________?

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36). Biot Savarts law equation is derived based on _________________?

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37). Asymmetrical wires' magnetic field is determined using ______________?

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38). _____________ obeys the inverse law of the square?

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39). Chemical shieldings make use of ____________?

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40). Who invented Biot Savarts Law?

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Biot Savarts Law MCQs for Students

41). Which is the fundamental block of Magnetostatics?

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42). A loop i.e., circular with a radius of o.o14m carries a current of about 2 Amps. Find the field at its center?

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43). Biot Savarts Law is applicable for ________________?

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44). Force amid two Parallel & long current carrying conductors is determined by _____________?

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45). Magnetic responses at molecular or atomic levels are calculated using ____________?

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46). Biot-Savarts Law requires _________________?

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47). Magnetic field at the center of current carrying arcs is calculated using ___________?

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48). Which law is applied to calculate the magnetic field for the wire i.e., asymmetrical?

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49). Biot Savarts Law is applicable for _____________?

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50). What is the magnetic field at the conductor's center if the current subjected is 10 Amperes and the radius is infinite?

Hint

For More MCQs

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