An inductor, battery, resistor, ammeter, and switch are connected in series. If the switch, initially open, is now closed, what is the current's final value?
a. zero
b. battery voltage divided by resistance
c. battery voltage times inductance
d. battery voltage divided by inductance
B
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A) mass B) density C) weight D) volume
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Why does the Sun emit neutrinos?
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How much energy is in an 89.7 MHz photon of FM-radiation?
a. 2.2 × 10^?33 J b. 9.5 × 10^?27 J c. 7.4 × 10^?42 J d. 5.9 × 10^?26 J e. 3.7 × 10^?25 J