3.A capacitor of capacitance Suit is charged up to a PD of 250 V. Its terminals are then connected to those of an unchar

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3 A Capacitor Of Capacitance Suit Is Charged Up To A Pd Of 250 V Its Terminals Are Then Connected To Those Of An Unchar 1 (25.25 KiB) Viewed 19 times

3.A capacitor of capacitance Suit is charged up to a PD of 250 V. Its terminals are then connected to those of an uncharged capacitor of capacitance 20uF. What would be the resulting voltage? Capacitors C, - 8uF, C, -4uF and C – 3yFare arranged as in Fig. 4. A voltage of V - 100 Vis applied. Determine (a) the potential difference across CC and C. (b) the charge 4,4 and q. on C.Cand C, (e) the energy U, U and U, stored in the capacitors 7. One wire, lying on the x-axis, carries a current of 8.0 A in the positive x-direction. Another wire, lying on the y-axis, carries a current of 12 A in the positive y-direction. What is the magnitude of the magnetic field at (x, y) = (8.0 cm, 12.0 cm)? A long vertical wire carries a steady 10-A current. A pair of rails are horizontal and are 0.20 m apart. A 20- resistor connects points a and b, at the end of the rails. A bar is in contact with the rails, and is moved by an external force with a constant velocity of 0.60 m/s, as shown. The bar and the rails have negligible resistance. At a given instant, the bar is 0.20 m from the wire, as shown in Fig. 293, at time t, what are the induced current and its direction through the resistor? Figure 29.3a