Aseries rlc circuit is connected to a 3.80 khz oscillator with a peak voltage of 3.80 v. it consists of a 3.50 mh inductor, a 290. nf capacitor, and a 19.0 ? resistor. if ? = ? 0, what is the instantaneous current i?

instantaneous current will be 59.52 mA

Explanation:

Given data

oscillation F = 3.80 kHz = 3.80 × Hz

voltage V = 3.80 V

inductance L = 3.50 mH  = 3.50 × H

capacitor C =  290. nF = 290 × F

resistor R = 19.0 Ω

to find out

the instantaneous current

solution

we know that current I = V / Z

here Z = √(R²+(xl - xc)²)

so first we find xl = 2π×f×L = 2π×3800×3.50 ×

xl = 83.52 ohm

and xc = 1 / 2π×f×C = 1 / 2π×3800× 290 ×

xc = 144.497 ohm

so Z = √(R²+(xl - xc)²)

Z = √(19²+(83.52 - 144.497)²)

Z = 63.84

so that current will be  V / Z

current = 3.80 / 63.84

current = 0.5952 A

so instantaneous current will be 59.52 mA

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answer: the correct answer is 1.

explanation: there are various process in which a radioactive nuclei decays:

1) alpha decay: in this process, a heavier nuclei decays into lighter nuclei by releasing alpha particle. the mass number is reduced by 4 units.

2) electron capture: in this decay process, a parent nuclei absorbs an electron and gets converted into a neutron. simply, a proton and an electron combines together to form a neutron. mass number does not change in this process.

3) gamma ray emission: it is a decay process in which an unstable nuclei gives excess energy by a spontaneous electromagnetic process. this decay releases . this process does not change the mass number.

4) positron emission: it is a type of decay process, in which a proton gets converted to neutron and an electron neutrino. this is also known as -decay. in this the mass number remains same.

from the above information, we see that only alpha-decay is producing a change in the mass number of the nucleus.