Homework Answers
Area vector and magnitic field must be perpendicular to maximum torque.
Torque=M×B and M =IA
So A is correct .
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There is a current-carrying coil inside a magnetic field. From the position A, looking toward the...
A current-carrying coil in a magnetic field experiences a torque with a magnitude that is 91.5%...
A current-carrying coil in a magnetic field experiences a torque with a magnitude that is 91.5% of the maximum possible value. (a) Determine the smallest angle between the magnetic field and the normal to the plane of the coil.
A current-carrying wire moves toward a coil A long straight wire carrying current I is moving...
A current-carrying wire moves toward a coil A long straight wire carrying current I is moving with speed v toward a small circular coil of radius r containing N turns, which is attached to a voltmeter as shown. The long wire is in the plane of the coil. (Only a small portion of the wire is shown in the diagram.) Voltmeter N turns radius r The radius of the coil is 0.02 m, and the coil has 11 turns. At...
Questions/Assignments an expression for the magnetic field at the center of circular loop of current carrying...
Questions/Assignments an expression for the magnetic field at the center of circular loop of current carrying wire erive an expression for the magnetic field at a point on the axis of circular current carrying wire. 3. D erive an expression for the magnetic field at a point distance x away(along the dipole) due to magnetic dipole of moment M. 4. Derive an expression for the magnetic field at a point distance x away (along the perpendicular bisector) due to a...
DQuestion 21 1 pts 53.13 2 Figure F3 Current-carrying square coil in magnetic field A square...
DQuestion 21 1 pts 53.13 2 Figure F3 Current-carrying square coil in magnetic field A square coil has N-40 turns of copper wire, each of side a-5.0 cm. The current in the coil is 1-4.0 A. The coil is placed in a uniform magnetic field B-16 T as shown in Figure F3. The plane of the coil makes an angle of 53.13 with the magnetic field. The coil is free to rotate about the y axis. Calculate the area of...
A generator almost always contains a coil of wire inside a magnetic field. The coil shown...
A generator almost always contains a coil of wire inside a magnetic field. The coil shown below has N turns and a radius of R. It is rotating in a magnetic field of strength B at an angular frequency o. This means that the angle between the area vector of the coil and the magnetic field is = wt. х a. What is the induced emf in the coil as a function of time? b. If the left side of...
How will the magnetic field intensity at the centre of a circular coil carrying current change,if...
How will the magnetic field intensity at the centre of a circular coil carrying current change,if the current through the coil is doubled and the radius of the coil is halved ?
The orientation of small satellites is often controlled using torque from current-carrying coils in Earth's magnetic...
The orientation of small satellites is often controlled using torque from current-carrying coils in Earth's magnetic field. Suppose a multiturn coil has a cross-sectional area of 6.96 ✕ 10−4 m2, dissipates 0.300 W of electrical power from a 5.50 V power supply, and provides a magnetic moment of magnitude 0.0400 A · m2. (a) Find the coil current I (in A). A (b) Calculate the number of turns in the coil. turns (c) Calculate the maximum magnitude of torque (in...
S F Care Battery Figure 5 A compass inside a coil connected to a battery Do...
S F Care Battery Figure 5 A compass inside a coil connected to a battery Do not connect the coil to the battery at this time. The lab instructors do not take points off for wrong answers to the questions in Activity #6. Please watch this video first... 6.1 Carefully inspect your coil to determine which way the wire in the coil is wound. If you ar not sure, ask your lab instructor to assist you. 0 13 For someone...
Part A In a region of space, a magnetic field points in the +x-direction (toward the...
Part A In a region of space, a magnetic field points in the +x-direction (toward the right). Its magnitude varies with position according to the formula B = Bo + bx, where Bo and b are positive constants, for 3 > 0. A flat coil of area A moves with uniform speed v from right to left with the plane of its area always perpendicular to this field. What is the emf induced in this coil while it is to...
A wire has a current pointing toward the top of the page. What is the direction...
A wire has a current pointing toward the top of the page. What is the direction of magnetic field, caused by the current, at point a, which is to the wester I o toward the top of the page right op out of the page toward the bottom of the page into the page tus: I 'a o toward the top of the page right out of the page toward the bottom of the page into the page left ner...
A current-carrying wire moves toward a coil A long straight wire carrying current I is moving with speed v toward a small circular coil of radius r containing N turns, which is attached to a voltmeter as shown. The long wire is in the plane of the coil. (Only a small portion of the wire is shown in the diagram.) Voltmeter N turns radius r The radius of the coil is 0.02 m, and the coil has 11 turns. At...
Questions/Assignments an expression for the magnetic field at the center of circular loop of current carrying wire erive an expression for the magnetic field at a point on the axis of circular current carrying wire. 3. D erive an expression for the magnetic field at a point distance x away(along the dipole) due to magnetic dipole of moment M. 4. Derive an expression for the magnetic field at a point distance x away (along the perpendicular bisector) due to a...
DQuestion 21 1 pts 53.13 2 Figure F3 Current-carrying square coil in magnetic field A square coil has N-40 turns of copper wire, each of side a-5.0 cm. The current in the coil is 1-4.0 A. The coil is placed in a uniform magnetic field B-16 T as shown in Figure F3. The plane of the coil makes an angle of 53.13 with the magnetic field. The coil is free to rotate about the y axis. Calculate the area of...
A generator almost always contains a coil of wire inside a magnetic field. The coil shown below has N turns and a radius of R. It is rotating in a magnetic field of strength B at an angular frequency o. This means that the angle between the area vector of the coil and the magnetic field is = wt. х a. What is the induced emf in the coil as a function of time? b. If the left side of...
S F Care Battery Figure 5 A compass inside a coil connected to a battery Do not connect the coil to the battery at this time. The lab instructors do not take points off for wrong answers to the questions in Activity #6. Please watch this video first... 6.1 Carefully inspect your coil to determine which way the wire in the coil is wound. If you ar not sure, ask your lab instructor to assist you. 0 13 For someone...
Part A In a region of space, a magnetic field points in the +x-direction (toward the right). Its magnitude varies with position according to the formula B = Bo + bx, where Bo and b are positive constants, for 3 > 0. A flat coil of area A moves with uniform speed v from right to left with the plane of its area always perpendicular to this field. What is the emf induced in this coil while it is to...
A wire has a current pointing toward the top of the page. What is the direction of magnetic field, caused by the current, at point a, which is to the wester I o toward the top of the page right op out of the page toward the bottom of the page into the page tus: I 'a o toward the top of the page right out of the page toward the bottom of the page into the page left ner...
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