The magnetic field perpendicular to a circular wire loop 8.0 cm in diameter is changed from +0.68 T to -0.53 T in 160 ms, where + means the field points away from an observer and toward the observer. Part A Calculate the induced emf. Express your answerusing two significant figures. ΜΕ ΑΣΦ Eind Submit Request Answer Part B In what direction does the induced current flow? The induced current is clockwise. The induced current is counterclockwise. Submit Request Answer ? V
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- please explainI decreasing In the figure above, a loop is located near a long wire with current flowing as indicated. 8The original B field penetrating the loop points the page. O If the current in the wire decreases, then the magnetic flux o in the loop 0Therefore, the loop generates an induced B field that points the page. e This induced B field is due to an induced current that flows in the loop.The magnetic field perpendicular to a single 17.2- cm -diameter circular loop of copper wire decreases uniformly from 0.750 T to zero. Part A If the wire is 2.75 mm in diameter, how much charge moves past a point in the coil during this operation? The resistivity of copper is 1.68 ×10−8Ω⋅m .
- please answer all parts!A flexible circular loop 8.00 cm in diameter lies in a magnetic field with magnitude 2 T, directed into the plane of the page in the figure. The loop is pulled at the points indicated by the arrows, forming a loop of zero area in 0.300 s. Find the average induced emf in the circuit. What is the direction of the induced magnetic field What is the direction of the induced current in R? (From a to b or b to a) If you rotate the circular loop as the top part out of page, what is the direction of the induced current in R? (From a to b or b to a) If you move the circular loop inside the magnetic field with a constant velocity toward the right, what is the direction of the induced current in R? (From a to b or b to a)A single loop of wire with an area of 0.0680 m² is in a uniform magnetic field that has an initial value of 3.80 T, is perpendicular to the plane of the loop, and is decreasing at a constant rate of 0.210 T/s. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Emf and current induced in a loop. Part A What emf is induced in this loop? Express your answer in volts. —| ΑΣΦ lɛl = Submit Part B Request Answer I = ? If the loop has a resistance of 0.450 , find the current induced in the loop. Express your answer in amperes. —| ΑΣΦ V ? A
- What is the induced voltage between the ends of the sliding wire in the figure below if the wires speed is 42 cm/s, its length 22 cm, the magnitude of the magnetic field 3.2 × 10^−3 T, and the resistance of the resistor 1.6kΩ? What is the current through the resistor? The wires velocity is perpendicular to the magnetic field.N ab If the magnets are released, and are free to move, explain what happens? Show all workPls help ASAP.
- A bar magnet moves away from a coil, as shown in the figure. What is the direction of the induced current in resistor ?? (from ? to ?, from ? to ? or zero)? Briefly explain.A long wire of current I and a thin rectangular copper loop lie in the plane of the page. If the loop moves to the right at a constant velocity by an external force, what would be the direction of the induced current in the moving loop, clockwise or counterclockwise?Part A How much energy is stored in a 2.60-cm-diameter, 14.0-cm-long solenoid that has 190 turns of wire and carries a current of 0.790 A? Express your answer with the appropriate units. UL = Submit μA Value Request Answer Ć Units ?