5. A uniform magnetic field of magnitude 0.70 T is directed perpendicular to the plane of...
A uniform magnetic field of magnitude 0.70 T is directed perpendicular to the plane of a rectangular loop having dimensions 7.7 cm by 13 cm. Find the magnetic flux through the loop.
23. A battery is connected in series with a 3.0 S2 resistor and 12 mH inductor. The maximum current in the circuit is 150 mA. Find the time constant of this circuit. (a) 4 x 106 ns (b) 12 ms (c) 3 ms (d) none is correct 24. The emf of the battery in question 23 is (a) 450 mV (b) 4.5 V (c) 150 V. (d) None is correct 25. A uniform magnetic field of magnetic 0.ST is directed...
A circular loop of wire with radius r-0.025 m and resistance R-0.3900 is in a region of spatially uniform magnetic field as shown. The magnetic field is directed into the plane of the figure, as shown. At t-o, B-O. The magnetic field then begins increasing with B-(0.380. What is the current (in mA) in the loop at the instant when 8-1.33 b. 18.5 c. 7.41 d. 13.2 12. In which direction is the current? a. Clockwise b. Counter Clockwise Explain...
A conducting rod of length L = 0.30 m moves in a magnetic field (directed in the - z direction) of magnitude 0.45 T. The bar is oriented along the y axis and moves with a speed of 5.0 m/s. What are the magnitudes of the motional EMF induced in the bar if the bar moves in the + x direction and if it moves in the + z direction? a) b) c) d) + x direction 0.675 V 0V...
A uniform magnetic field of magnitude 0.85 T is directed perpendicular to the plane of a rectangular loop having dimensions 7.8 cm by 13 cm. Find the magnetic flux through the loop. T · m2
1. A flexible loop of wire lies in a uniform magnetic field of magnitude B directed into the plane of the picture. The loop is pulled as shown, reducing its area. The induced current flows . × y/1 x 1 ㄨㄨㄨㄨㄨ A. downward through resistor R and is proportional to B. B. upward through resistor R and is proportional to B. C. downward through resistor R and is proportional ㄨㄨㄨㄨㄨ D. upward through resistor R and is proportional to B...
4, A conducting Fod of length L 6.30 m moves in a magnetic field (directed in the-z direction) of magaitude 0.45 T The bar is oriented along the y asis and moves with a speed of 5.0 m/s. What are the magnitudes of the motional EMF induced in the bar if the bar moves in the + * direction and if it moves in the + *direction? X X X X X X X X X X * x X...
Fig.1 9. A series RCL circuit contains a 148- 2 resistor, a 1.50-uF capacitor, and a 35.7-mH inductor. The generator has a frequency of 512 Hz and an ms voltage of 25.0 V. Determine resonance frequency in the circuit. (a) 512 Hz (5) 688 H2 (c) 800Hz (d) 1024 Hz (d) None 10. Find the inductance in a coil if the magnitude of the average induced emf is 19.5 mV and the current in changes from 0.20 A to 1.5...
12. An emf of 96.0 mV is induced in the windings of a coil when the current in a nearby coil is increasing at the rate of 1.20 A/s. What is the mutual inductance of the two coils? A. 12mH B. 20 mH C.40 mH D. 80 mH For items 13-15 consider the RL circuit shown at left with the following values ε-12.OV, R ; 6.0 Ω and Le 30.0 mH. Switch s L is set at position a at...
Problem 5: A 5 cm long wire is in a uniform magnetic field of 4T, so that current in the wire is perpendicular to the magnetic field. The wire is connected to a 10 ohm resistor in series, so that the resistance of the wire is negligible. The wire and resister are then connected in series to a charged 1500mF capacitor at 50 kV. A: What is the current through the wire as function of time, with t-0 being when...