In the figure, the current in a solenoid having no appreciable resistance is flowing from b to a and is decreasing at a rate of 9.6 A/s. The self-induced emf in the solenoid is found to be 8.4 V
(a) What is the self-inductance of the solenoid?
(b) Which point, a or b is at higher potential?
What will be an ideal response?
Answer: (a) 0.88 H (b) point a
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Series/Parallel Circuits: A 9-V battery is hooked up to two resistors in series. One has a resistance of 5 ?, and the other has a resistance of 10 ?. Several locations along the circuit are marked with letters, as shown in the figure. Through which resistor is energy being dissipated at the higher rate?
A. the 10-? resistor B. the 5-? resistor C. Energy is being dissipated by both resistors at the same rate.
A saturated hydrocarbon contains only ______________ bonds, and its hydrogen content is at a maximum
Fill in the blank(s) with correct word
Electrons in the outermost shell are referred to as ______________ electrons
a. valence b. orbital c. f shell d. s shell
A square smooth conduit, 80 cm on a side, circulates 35°C air in a large building. The pressure drop over a 50-m length of the horizontal conduit is not to exceed 800 Pa. Assume an average pressure in the conduit of 120 kPa. The maximum flow rate in the conduit is nearest:
