The source is supplying the maximum power to the load when the load resistance equals the source resistance Select one: O True O False
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- PART (1) Assume capacitor is fully charged when switch is at position 'a' for about 10 minutes. The switch is changed to position 'b' at t= 0. What is the current in the circuit immediately after the switch is closed? Assume after some time, the current in the circuit is 80.0 mA when the switch is at position 'b'. Can you find, what will be that time? 9.0 V 부 Paragraph a itur b 1.0 με PART (II) Assume a magnetic field of 5.2 T present inside the cyclotron. An electron enters the cyclotron with speed of 2.0 x 107 m/s. What is the radius of the electron's orbit just before they exit from the cyclotron. BI U A/ 10 Ω E✓ E GO + vWhich of the following are characteristics of series circuits? Select all that apply. There are multiple paths for current to follow through the circuit. The voltage is divided among all devices in the circuit. If one device in the circuit stops allowing current to flow, all other devices in the circuit will also stop functioning. O The voltage across each device must be the same. O There is only one path for current to follow through the circuit. The same amount of current flows through all devices in the circuit.Problem For the circuit described by the schematic diagram below, please compute (a) the potential difference across the terminals of the 8.00 2 resistor, (b) the magnitude of the current flow through the 8.00 Q resistor, (c) the direction of the current flow through the 8.00 2 resistor, left-to-right| right-to-left Circle the correct choice and cross out the incorrect option. (d) and the power dissipated by the 8.00 2 resistor. 2.00 0 8.00 0 6.00 V 3.00 V 9.00 V >4.00 0
- Consider the arrangement shown in the figure below where R = 7.00 , l = 1.10 m, and B = 2.25 T. HINT R xx xxxx x xx x x x x xxxxxx xx xxxxxx x x xxx x xxxxxx xxxx xx (b) What power (in W) is delivered to the resistor? W tea B Fapp (a) Apply the motional emf equation in combination with Ohm's law. (b) Recall the expressions for the power delivered to a resistor. (c) Apply the expression for the magnetic force on a current-carrying wire. (d) Recall the expression P = Fv. Click the hint button again to remove this hint. (a) At what constant speed (in m/s) should the bar be moved to produce a current of 1.40 A in the resistor? m/s (c) What magnetic force (in N) is exerted on the moving bar? (Enter the magnitude.) N (d) What instantaneous power (in W) is delivered by the force Fapp on the moving bar? W(a) What is the resistance of a lightbulb that uses an average power of 85.0 W when connected to a 60.0 Hz power source having a maximum voltage of 190 V? Ω (b) What is the resistance of a 110 W bulb? Ω(a) What is the resistance of a lightbulb that uses an average power of 80.0 W when connected to a 60.0 Hz power source having a maximum voltage of 200 V? Ω (b) What is the resistance of a 120 W bulb? Nood Ω