RC Circuits: In the circuit shown in the figure, all the capacitors are initially uncharged when the switch S is suddenly closed, and the battery is ideal. Find (a) the maximum reading of the ammeter and (b) the maximum charge on the 5.00-µF capacitor.
What will be an ideal response?
(a) 2.50 A (b) 458 µC
You might also like to view...
The term observable universe refers to
A) that portion of the universe that we have so far photographed through telescopes. B) the portion of the universe that can be seen by the naked eye. C) the portion of the universe that is not hidden from view by, for example, being below the horizon. D) that portion of the universe that we can see in principle, given the current age of the universe.
In a laser
a. light is amplified by stimulated emission of radiation. b. the emitted light is monochromatic. c. the emitted light is coherent. d. there is a population inversion of electrons in atoms. e. all of the above
A plane wall of thickness 2L has internal heat sources whose strength varies according to 0q is the heat generated per unit volume at the center of the wall (x = 0) and a is a constant. If both sides of the wall are maintained at a constant temperature of Tw, derive an expression for the total heat loss from the wall per unit surface area.
GIVEN
A plane wall with internal heat sources Heat source strength: q
Gcos (ax) Wall surface temperatures = Tw Wall thickness = 2L
FIND
An expression for the total heat loss per unit area (q/A)
ASSUMPTIONS
Steady state conditions prevail
The thermal conductivity of the wall (k) is constant
One dimensional conduction within the wall
SKETCH
The electric field in a cathode ray tube is supposed to accelerate electrons from 0 to 3.2 × 10^7 m/s in a distance of 2.00 cm. What electric field is required? (me = 9.11 × 10^?31 kg and e = 1.60 × 10^?19 C)
a. 4.6E+4 N/C b. 2.3E+5 N/C c. 1.5E+5 N/C d. 2.9E+5 N/C e. 1.6E+4 N/C