Mechatronics Questions and Correct Answers/ Latest Update / Already Graded

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Mechatronics Questions and Correct
Answers/ Latest Update / Already Graded
Conductivity (Resistivity^-1)

Ans: ability of material to conduct charge


Permittivity

Ans: ability of material to conduct electric field


Permeability

Ans: ability of material to conduct magnetic field


Resistance

Ans: proportionality constant relating the potential difference
across a material to the flow through it


current flows

Ans: from '+' to '-' although in fact the charge
carriers are electrons flowing in the opposite direction


Kirchhoff's Second Rule (voltage rule)

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Ans: voltage sums to zero around any closed loop


P Vi=i^2 R

Ans:


Kirchhoff's First Rule (current rule)

Ans: sum of current at a junction is zero


Total Resistance in parellel

Ans: 1/(R total) =(1/R1)+(1/R2)+...+(1/Rn)


Total Inductance in parallel

Ans: 1/(L total)=(1/L1)+(1/L2)+...+(1/Ln)


Total Resistance in series

Ans: R total = R1+R2+...+Rn


Total Inductance in series

Ans: L total = L1+L2+...+Ln


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Total Capacitance in parallel

Ans: C total = C1+C2+...+Cn


Total Capacitance in series

Ans: 1/(C total) = (1/C1) +(1/C2)+...+(1/Cn)


Capacitance

Ans: is the scale factor relating the charge and the potential
difference


Q = CV

Ans:


Capacity

Ans: current X time


i(t)

Ans: = dQ/dt = -Q/(RC)



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