In a RLC circuit we have the following in series: aone-and-a-half ohm resistor, a 12 mH inductancecoil, and a 1.6 micro-farad capacitor. If the circuitbegins to oscillate at time equal to zero, at whattime will the amplitude of the charge be at half ofits initial value?a. cannot be calculate as the initial chargevalue is unknownb. 11 secondsO c. 11 milli-secondsd. 11 micro-secondsYou have a diverging lens and upon inspection itseems that light rays seem to emerge from a point20 cm from the lens and the lateral magnificationis +1/3 forming an erect virtual image. How farfrom the lens must the object be placed?a. 40 cmb. 400 cmОс. 4 стO d. -4 cmе.-40 mm

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