at The magnetic flux through the loop shown in the accompanying figure varies with time according to Φm = Poe sin(wt), where Po = 4 x 10-³ T m², a = 5 s-¹, and w = 120 rad/s. What are the direction and magnitude of the current through the 5-0 resistor at (a) t = 0; (b) t = 2.17 × 10−² s, and (c) t = 3.00 s? * 5.0 Ω tm
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- ←1.0m3 ↑ XXX xxx 1.0m xxx ↓ x is direction. of B 个 [.0m xxx xxx xxx V=4.0m/s X Consider the two scenarios (i) and (ii). (i) has a square wire in a magnetic field where the field changes -2.0 T/s. (ii) is in a constant magnetic field, B = 0.50 T but has a conducting bar that moves to the right at 4.0 m/s. Both scenarios have a total resistance of 2.0 2. (a) What is the EMF (voltage) in the wire loops in each scenario? (b) What is the current and direction of the current in each scenario?Consider the RL direct current circuit shown. The circuit contains R = 4.0 Ω, L = 10 mH, & ε = 12 V. The circuit is charging. (a) Determine the time constant for the circuit? (b) What is the maximum current in the circuit? (c) What is the current one time constant (t = τ )? (d) When the current is 0.5 A, what is the strength of the magnetic field in the solenoid, with n = N/ℓ = 319x103 turns/m. ( T×m/A)The magnetic flux through the loop shown in the accompanying figure varies with time according to Pm = Poe at sin(wt), where = 3 x 10-³ T m², a = 5 s¹, and w = 120 rad/s. What are the direction and magnitude of the current through the 5-0 resistor at (a) t = 0; (b) t = 2.17 x 10-2 s, and (c) t = 3.00 s? Hints tm Sok Pro a. Current flows down b. Current flows up c. Current flows down v Question Help: Message instructor Submit Question with with with ' 5.0 Ω mA at t = 0. mA at t= 2.17 x 10-2 mA at t = 3.00 s. S.
- A loop of highly conducting wire is placed in a magnetic field that is increasing out of the page (through the loop) at a rate of 1.80 T/s. If the loop has an area of 0.400m^2, calculate the current flowing in Amps through the 5.00 ohm resistor.The figure shows four currents. The value of the line integral of the magnetic ficld B over the closed loop B.dl is 1°ri 8You wish to construct a solenoid with a diameter of 2.00 cm that will produce a magnetic field of 3.40 x 10-2T at its center when a current of 12.0 A is passing through the coils. You want the resistance of the coil wire to be 5.80 N. The resistivity of the wire used is 1.70 x 10-8 N •m (at 20.0°C), and you are using a wire that has a cross sectional area of 3.14 × 10-8 m2. (Note that this solenoid may not necessarily be so tightly wound that the adjacent loops of wire will touch each other. Nonetheless, you may assume that it behaves like an ideal solenoid.) Determine the following. (a) number of turns needed on the solenoid turns (b) length of the solenoid