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Electronics

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What type of solids lack symmetry?

Amorphous solids

What is the term for the arrangement of points in space where atoms or molecules of a solid are placed?

Crystal lattice

What is the number of lattice points per primitive cell?

1

What is the type of crystal structure where α = β = 90o?

<p>Rhombo-hedral or Trigonal</p> Signup and view all the answers

What is the term for the atoms or molecules attached to every lattice point in a crystal structure?

<p>Basis</p> Signup and view all the answers

What is the bond length in a face-centered cubic lattice?

<p>$\frac{a}{\sqrt{2}}$</p> Signup and view all the answers

What is the coordination number in a hexagonal close-packed lattice?

<p>12</p> Signup and view all the answers

What is the number of atoms per unit cell in a hexagonal lattice?

<p>6</p> Signup and view all the answers

What type of crystal is characterized by anisotropic behavior?

<p>Single crystal</p> Signup and view all the answers

What is the packing fraction in a hexagonal close-packed lattice?

<p>$\frac{\pi}{\sqrt{12}}$</p> Signup and view all the answers

What is the number of lattices in a cubic crystal system?

<p>1</p> Signup and view all the answers

What is the angle between lattice constants in a cubic crystal system?

<p>90°</p> Signup and view all the answers

What is the curve drawn between Ic and VCE known as?

<p>Output characteristics</p> Signup and view all the answers

What is the effect of increasing the emitter current Ie on the output characteristics of a CB configuration?

<p>The output characteristics curve shifts to the left</p> Signup and view all the answers

What is the configuration where the emitter is common to both base and collector?

<p>CE configuration</p> Signup and view all the answers

What is the dynamic input resistance of a transistor given by?

<p>Ri = ΔVCB / ΔIE</p> Signup and view all the answers

What is the ratio of the effective alternating component of the output voltage or current to the dc component known as?

<p>Ripple factor</p> Signup and view all the answers

What is the maximum reverse biased voltage that can be applied before commencement of Zener region called?

<p>Peak inverse voltage</p> Signup and view all the answers

What is the value of ripple factor for full wave rectifier?

<p>0.48</p> Signup and view all the answers

What is the frequency of full wave rectifier ripple frequency?

<p>Twice the input ac frequency</p> Signup and view all the answers

What is the efficiency of the rectifier for a given ripple factor?

<p>40.6%</p> Signup and view all the answers

What is the term for the cloud of electrons that collects around the plate when the plate potential is zero or negative?

<p>Space charge</p> Signup and view all the answers

What is the graph that represents the variation of ip with Vp at a given filament current?

<p>Characteristic curve</p> Signup and view all the answers

What is the type of device that exhibits non-ohmic behavior?

<p>Diode valve</p> Signup and view all the answers

What is the term for the minimum potential required to stop the flow of plate current?

<p>Stopping potential</p> Signup and view all the answers

What is the maximum efficiency of the triode valve when R >> r?

<p>81.2%</p> Signup and view all the answers

What is the graphical representation of ip and Vp at constant Vg known as?

<p>Static plate characteristic curve</p> Signup and view all the answers

What is the slope of the load line represented by?

<p>-2V/RL</p> Signup and view all the answers

What is the intercept of the load line on the Vp axis represented by?

<p>OA</p> Signup and view all the answers

What is the graphical representation of ip and Vp when Vg is kept constant known as?

<p>Static mutual characteristic curve</p> Signup and view all the answers

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