7. Four unequal capacitors are connected in a series with each other. Which one of the following statements is correct a

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7 Four Unequal Capacitors Are Connected In A Series With Each Other Which One Of The Following Statements Is Correct A 1 (39.6 KiB) Viewed 101 times

7. Four unequal capacitors are connected in a series with each other. Which one of the following statements is correct about this combination? a) The equivalent capacitance is less than that of the smallest capacitance b) The equivalent capacitance is equal to the average of the four capacitances, The equivalent capacitance is midway between the largest and smallest capacitance. d) The equivalent capacitance is more than the largest capacitance 8. A charged capacitor is connected in series with a resistor and an open switch. At time t - 0s, the switch is closed. Which of the graphs below best describes the potential difference V across the capacitor as a function of time t? 9. A rectangular coil, with comers labeled ABCD, has length L and width w. It is placed between the poles of a magnet, as shown in the figure. If there is a current I which flowing through this coil in the direction shown, what is the direction of the magnetic force acting on section AB of this coil? A) perpendicular to B and into the page B) perpendicular to B and out of the page C) in the direction of the magnetic field B D) The force is zero 10. The half of maximum torque on a flat current-carrying loop occurs when the angle between the plane (face) of the loop's area and the magnetic field vector is A) 0° B) 30 C) 45° D) 90°